Tests results - Container so-sdnc-adapter from pod onap-so-sdnc-adapter-5d545fdd9c-vf8qf logs

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              JVM Arguments:  -Dspring.profiles.active=basic -Djava.security.egd=file:/dev/./urandom -Dlogs_dir=./logs/sdnc/ -Dlogging.config=/app/logback-spring.xml  -Djavax.net.ssl.trustStore=/opt/app/osaaf/local/truststoreONAPall.jks -Djavax.net.ssl.trustStorePassword=changeit -Dspring.config.additional-location=/app/config/override.yaml

      .   ____          _            __ _ _
     /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
    ( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
     \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
      '  |____| .__|_| |_|_| |_\__, | / / / /
     =========|_|==============|___/=/_/_/_/
     :: Spring Boot ::        (v2.3.7.RELEASE)

    2023-02-01T05:29:18.785Z||main|||||INFO|500||The following profiles are active: basic
    2023-02-01T05:29:31.042Z||main|||||INFO|500||Starting service [Tomcat]
    2023-02-01T05:29:31.042Z||main|||||INFO|500||Starting Servlet engine: [Apache Tomcat/9.0.41]
    2023-02-01T05:29:31.168Z||main|||||INFO|500||Initializing Spring embedded WebApplicationContext
    2023-02-01T05:29:31.629Z||main|||||INFO|500||RA_INIT_SDNC_ADAPTER SDNC SDNCAdapterPortType
    2023-02-01T05:29:37.631Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2023-02-01T05:29:37.642Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2023-02-01T05:29:37.643Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormatProvider[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.644Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.647Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2023-02-01T05:29:37.652Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2023-02-01T05:29:37.690Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2023-02-01T05:29:37.690Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2023-02-01T05:29:37.691Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormatProvider[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.691Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.691Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2023-02-01T05:29:37.693Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2023-02-01T05:29:37.696Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2023-02-01T05:29:37.696Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2023-02-01T05:29:37.697Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormatProvider[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.697Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.697Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2023-02-01T05:29:37.699Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2023-02-01T05:29:37.712Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2023-02-01T05:29:37.713Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2023-02-01T05:29:37.713Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormatProvider[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.714Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.714Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2023-02-01T05:29:37.716Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2023-02-01T05:29:37.721Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2023-02-01T05:29:37.721Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2023-02-01T05:29:37.722Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormatProvider[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.722Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.722Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2023-02-01T05:29:37.724Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2023-02-01T05:29:37.729Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2023-02-01T05:29:37.730Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2023-02-01T05:29:37.730Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormatProvider[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.730Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.730Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2023-02-01T05:29:37.732Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2023-02-01T05:29:37.750Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2023-02-01T05:29:37.753Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2023-02-01T05:29:37.754Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormatProvider[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.754Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.754Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2023-02-01T05:29:37.756Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2023-02-01T05:29:37.761Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2023-02-01T05:29:37.762Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2023-02-01T05:29:37.766Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormatProvider[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.768Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.769Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2023-02-01T05:29:37.774Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2023-02-01T05:29:37.782Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2023-02-01T05:29:37.783Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2023-02-01T05:29:37.784Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormatProvider[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.784Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.785Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2023-02-01T05:29:37.786Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2023-02-01T05:29:37.791Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2023-02-01T05:29:37.792Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2023-02-01T05:29:37.792Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormatProvider[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.792Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.793Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2023-02-01T05:29:37.795Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2023-02-01T05:29:37.800Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2023-02-01T05:29:37.801Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2023-02-01T05:29:37.801Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormatProvider[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.802Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.802Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2023-02-01T05:29:37.804Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2023-02-01T05:29:37.808Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2023-02-01T05:29:37.809Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2023-02-01T05:29:37.809Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormatProvider[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.810Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.810Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2023-02-01T05:29:37.812Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2023-02-01T05:29:37.821Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2023-02-01T05:29:37.821Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2023-02-01T05:29:37.822Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormatProvider[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.822Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.822Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2023-02-01T05:29:37.824Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2023-02-01T05:29:37.861Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2023-02-01T05:29:37.861Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2023-02-01T05:29:37.862Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormatProvider[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.862Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.863Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2023-02-01T05:29:37.865Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2023-02-01T05:29:37.870Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2023-02-01T05:29:37.870Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2023-02-01T05:29:37.871Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormatProvider[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.871Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.871Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2023-02-01T05:29:37.873Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2023-02-01T05:29:37.878Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2023-02-01T05:29:37.878Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2023-02-01T05:29:37.879Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormatProvider[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.879Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.880Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2023-02-01T05:29:37.882Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2023-02-01T05:29:37.885Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2023-02-01T05:29:37.886Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2023-02-01T05:29:37.886Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormatProvider[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.886Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.887Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2023-02-01T05:29:37.888Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2023-02-01T05:29:37.912Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2023-02-01T05:29:37.912Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2023-02-01T05:29:37.917Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormatProvider[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.917Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.918Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2023-02-01T05:29:37.919Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2023-02-01T05:29:37.925Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2023-02-01T05:29:37.926Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2023-02-01T05:29:37.926Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormatProvider[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.927Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.928Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2023-02-01T05:29:37.930Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2023-02-01T05:29:37.934Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2023-02-01T05:29:37.935Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2023-02-01T05:29:37.935Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormatProvider[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.935Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2023-02-01T05:29:37.936Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2023-02-01T05:29:37.938Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2023-02-01T05:29:39.045Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:29:39.045Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:29:39.906Z||main|||||WARN|500||---
    2023-02-01T05:29:39.906Z||main|||||WARN|500||Spring Data REST HAL Browser is deprecated! Prefer the HAL Explorer (artifactId: spring-data-rest-hal-explorer)!
    2023-02-01T05:29:39.907Z||main|||||WARN|500||---
    2023-02-01T05:29:40.324Z||main|||||INFO|500||Setting the server's publish address to be /rest
    2023-02-01T05:29:40.576Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:29:40.806Z||main|||||INFO|500||Creating Service {http://org.onap/workflow/sdnc/adapter/wsdl/v1}SDNCAdapterService from class org.onap.so.adapters.sdnc.SDNCAdapterPortType
    2023-02-01T05:29:41.056Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:29:41.687Z||main|||||INFO|500||Setting the server's publish address to be /SDNCAdapter
    2023-02-01T05:29:41.688Z||main|||||INFO|500||RA_INIT_SDNC_ADAPTER SDNC SDNCAdapterPortType
    2023-02-01T05:29:42.560Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:29:42.741Z||main|||||DEBUG|500||Injecting class org.onap.so.security.SoBasicHttpSecurityConfigurer configuration ...
    2023-02-01T05:29:44.581Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:29:45.216Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:29:47.616Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:29:48.156Z||main|||||INFO|500||Started SDNCAdapterApplication in 32.854 seconds (JVM running for 35.288)
    2023-02-01T05:29:48.743Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:29:50.754Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:29:52.642Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:29:53.412Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:29:54.948Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:29:55.782Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:29:56.964Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:00.004Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:01.091Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:03.104Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:05.028Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:06.118Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:07.746Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:09.536Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:09.538Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:11.075Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:13.088Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:14.048Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:15.111Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:17.218Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:18.151Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:19.279Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:22.343Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:23.174Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:24.774Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:26.240Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:27.362Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:31.075Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:31.300Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:32.194Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:36.388Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:40.326Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:41.797Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:41.798Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:41.800Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:41.799Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:41.797Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:43.267Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:45.344Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:45.350Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:47.360Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:49.218Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:50.402Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:53.409Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:53.568Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:55.427Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:57.352Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:58.592Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:30:59.814Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:03.619Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:04.098Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:06.466Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:12.648Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:13.794Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:13.798Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:13.799Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:15.844Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:17.858Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:18.883Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:20.864Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:21.984Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:23.494Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:26.432Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:27.906Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:28.390Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:30.370Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:31.680Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:36.930Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:38.370Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:39.394Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:44.424Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:46.821Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:47.332Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection timed out (Connection timed out)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection timed out (Connection timed out)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:47.333Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:47.333Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection timed out (Connection timed out)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection timed out (Connection timed out)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:47.334Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection timed out (Connection timed out)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection timed out (Connection timed out)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:47.334Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection timed out (Connection timed out)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection timed out (Connection timed out)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:47.334Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection timed out (Connection timed out)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection timed out (Connection timed out)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:47.335Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection timed out (Connection timed out)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection timed out (Connection timed out)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:47.337Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection timed out (Connection timed out)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection timed out (Connection timed out)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:47.429Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:47.845Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:49.862Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:50.886Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:51.424Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection timed out (Connection timed out)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection timed out (Connection timed out)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:54.437Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:55.458Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:56.515Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:59.108Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:31:59.457Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:32:00.834Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:32:02.146Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:32:03.200Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:32:04.452Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:32:06.737Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:32:08.481Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:32:11.395Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:32:11.396Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:32:12.486Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:32:14.435Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:32:19.332Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:32:19.332Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:32:19.337Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:32:19.490Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:32:21.344Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:32:21.637Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:32:23.429Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:32:24.452Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:32:25.506Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:32:29.461Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:32:30.466Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:32:31.399Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:32:32.674Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:32:33.669Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:32:34.704Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:32:36.455Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:32:38.468Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:32:44.489Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:32:46.825Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:32:48.680Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:32:50.707Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:32:54.476Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:32:56.457Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:32:56.518Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:32:57.509Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:33:00.845Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:33:06.740Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:33:11.399Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:33:20.686Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:33:22.710Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:33:26.479Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:33:29.465Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:33:31.404Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:33:33.678Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:33:36.459Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:33:44.496Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:33:46.829Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:33:56.466Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:33:56.521Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:33:57.514Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:33:58.400Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:33:58.401Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:33:59.402Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2023-02-01T05:33:59.404Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.0.185] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/jav