Tests results - Container so-sdnc-adapter from pod onap-so-sdnc-adapter-5c8d78b6d5-gqfk7 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)

    2022-06-26T05:59:54.021Z||main|||||INFO|500||The following profiles are active: basic
    2022-06-26T06:00:08.823Z||main|||||INFO|500||Starting service [Tomcat]
    2022-06-26T06:00:08.824Z||main|||||INFO|500||Starting Servlet engine: [Apache Tomcat/9.0.41]
    2022-06-26T06:00:09.048Z||main|||||INFO|500||Initializing Spring embedded WebApplicationContext
    2022-06-26T06:00:09.705Z||main|||||INFO|500||RA_INIT_SDNC_ADAPTER SDNC SDNCAdapterPortType
    2022-06-26T06:00:19.256Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-06-26T06:00:19.263Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-06-26T06:00:19.264Z||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]
    2022-06-26T06:00:19.266Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-06-26T06:00:19.267Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-06-26T06:00:19.270Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-06-26T06:00:19.314Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-06-26T06:00:19.314Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-06-26T06:00:19.314Z||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]
    2022-06-26T06:00:19.315Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-06-26T06:00:19.315Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-06-26T06:00:19.317Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-06-26T06:00:19.321Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-06-26T06:00:19.321Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-06-26T06:00:19.321Z||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]
    2022-06-26T06:00:19.322Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-06-26T06:00:19.322Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-06-26T06:00:19.324Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-06-26T06:00:19.339Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-06-26T06:00:19.340Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-06-26T06:00:19.341Z||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]
    2022-06-26T06:00:19.342Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-06-26T06:00:19.342Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-06-26T06:00:19.345Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-06-26T06:00:19.358Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-06-26T06:00:19.359Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-06-26T06:00:19.360Z||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]
    2022-06-26T06:00:19.361Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-06-26T06:00:19.361Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-06-26T06:00:19.367Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-06-26T06:00:19.400Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-06-26T06:00:19.401Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-06-26T06:00:19.401Z||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]
    2022-06-26T06:00:19.402Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-06-26T06:00:19.402Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-06-26T06:00:19.405Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-06-26T06:00:19.414Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-06-26T06:00:19.416Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-06-26T06:00:19.418Z||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]
    2022-06-26T06:00:19.419Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-06-26T06:00:19.424Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-06-26T06:00:19.434Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-06-26T06:00:19.443Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-06-26T06:00:19.444Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-06-26T06:00:19.445Z||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]
    2022-06-26T06:00:19.449Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-06-26T06:00:19.450Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-06-26T06:00:19.452Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-06-26T06:00:19.461Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-06-26T06:00:19.462Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-06-26T06:00:19.463Z||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]
    2022-06-26T06:00:19.463Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-06-26T06:00:19.464Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-06-26T06:00:19.466Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-06-26T06:00:19.474Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-06-26T06:00:19.475Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-06-26T06:00:19.475Z||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]
    2022-06-26T06:00:19.476Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-06-26T06:00:19.477Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-06-26T06:00:19.484Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-06-26T06:00:19.497Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-06-26T06:00:19.504Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-06-26T06:00:19.504Z||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]
    2022-06-26T06:00:19.504Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-06-26T06:00:19.505Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-06-26T06:00:19.509Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-06-26T06:00:19.517Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-06-26T06:00:19.520Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-06-26T06:00:19.521Z||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]
    2022-06-26T06:00:19.521Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-06-26T06:00:19.526Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-06-26T06:00:19.529Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-06-26T06:00:19.537Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-06-26T06:00:19.537Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-06-26T06:00:19.538Z||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]
    2022-06-26T06:00:19.539Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-06-26T06:00:19.539Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-06-26T06:00:19.542Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-06-26T06:00:19.550Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-06-26T06:00:19.551Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-06-26T06:00:19.552Z||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]
    2022-06-26T06:00:19.554Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-06-26T06:00:19.554Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-06-26T06:00:19.558Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-06-26T06:00:19.565Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-06-26T06:00:19.566Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-06-26T06:00:19.567Z||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]
    2022-06-26T06:00:19.567Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-06-26T06:00:19.568Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-06-26T06:00:19.573Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-06-26T06:00:19.579Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-06-26T06:00:19.579Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-06-26T06:00:19.580Z||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]
    2022-06-26T06:00:19.580Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-06-26T06:00:19.581Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-06-26T06:00:19.590Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-06-26T06:00:19.595Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-06-26T06:00:19.595Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-06-26T06:00:19.595Z||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]
    2022-06-26T06:00:19.596Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-06-26T06:00:19.596Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-06-26T06:00:19.603Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-06-26T06:00:19.612Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-06-26T06:00:19.612Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-06-26T06:00:19.613Z||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]
    2022-06-26T06:00:19.613Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-06-26T06:00:19.613Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-06-26T06:00:19.615Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-06-26T06:00:19.619Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-06-26T06:00:19.620Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-06-26T06:00:19.620Z||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]
    2022-06-26T06:00:19.620Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-06-26T06:00:19.620Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-06-26T06:00:19.622Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-06-26T06:00:19.626Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-06-26T06:00:19.626Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-06-26T06:00:19.627Z||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]
    2022-06-26T06:00:19.627Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-06-26T06:00:19.627Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-06-26T06:00:19.629Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-06-26T06:00:20.755Z||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/10.233.42.41] 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
    2022-06-26T06:00:22.234Z||main|||||WARN|500||---
    2022-06-26T06:00:22.235Z||main|||||WARN|500||Spring Data REST HAL Browser is deprecated! Prefer the HAL Explorer (artifactId: spring-data-rest-hal-explorer)!
    2022-06-26T06:00:22.235Z||main|||||WARN|500||---
    2022-06-26T06:00:22.286Z||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/10.233.42.41] 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
    2022-06-26T06:00:22.766Z||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/10.233.42.41] 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
    2022-06-26T06:00:22.778Z||main|||||INFO|500||Setting the server's publish address to be /rest
    2022-06-26T06:00:23.474Z||main|||||INFO|500||Creating Service {http://org.onap/workflow/sdnc/adapter/wsdl/v1}SDNCAdapterService from class org.onap.so.adapters.sdnc.SDNCAdapterPortType
    2022-06-26T06:00:24.302Z||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/10.233.42.41] 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
    2022-06-26T06:00:24.523Z||main|||||INFO|500||Setting the server's publish address to be /SDNCAdapter
    2022-06-26T06:00:24.524Z||main|||||INFO|500||RA_INIT_SDNC_ADAPTER SDNC SDNCAdapterPortType
    2022-06-26T06:00:25.387Z||main|||||DEBUG|500||Injecting class org.onap.so.security.SoBasicHttpSecurityConfigurer configuration ...
    2022-06-26T06:00:26.320Z||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/10.233.42.41] 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
    2022-06-26T06:00:26.887Z||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/10.233.42.41] 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
    2022-06-26T06:00:28.334Z||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/10.233.42.41] 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
    2022-06-26T06:00:29.362Z||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/10.233.42.41] 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
    2022-06-26T06:00:31.349Z||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/10.233.42.41] 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
    2022-06-26T06:00:32.291Z||main|||||INFO|500||Started SDNCAdapterApplication in 42.776 seconds (JVM running for 45.861)
    2022-06-26T06:00:34.389Z||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/10.233.42.41] 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
    2022-06-26T06:00:34.544Z||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/10.233.42.41] 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
    2022-06-26T06:00:35.074Z||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/10.233.42.41] 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
    2022-06-26T06:00:36.373Z||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/10.233.42.41] 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
    2022-06-26T06:00:38.580Z||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/10.233.42.41] 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
    2022-06-26T06:00:38.608Z||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/10.233.42.41] 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
    2022-06-26T06:00:41.616Z||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/10.233.42.41] 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
    2022-06-26T06:00:43.408Z||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/10.233.42.41] 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
    2022-06-26T06:00:45.392Z||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/10.233.42.41] 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
    2022-06-26T06:00:46.644Z||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/10.233.42.41] 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
    2022-06-26T06:00:46.833Z||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/10.233.42.41] 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
    2022-06-26T06:00:49.876Z||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/10.233.42.41] 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
    2022-06-26T06:00:53.889Z||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/10.233.42.41] 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
    2022-06-26T06:00:54.656Z||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/10.233.42.41] 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
    2022-06-26T06:00:59.413Z||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/10.233.42.41] 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
    2022-06-26T06:01:01.398Z||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/10.233.42.41] 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
    2022-06-26T06:01:01.895Z||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/10.233.42.41] 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
    2022-06-26T06:01:10.660Z||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/10.233.42.41] 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
    2022-06-26T06:01:17.906Z||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/10.233.42.41] 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
    2022-06-26T06:01:31.431Z||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/10.233.42.41] 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
    2022-06-26T06:01:33.403Z||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/10.233.42.41] 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
    2022-06-26T06:01:42.664Z||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/10.233.42.41] 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
    2022-06-26T06:01:49.924Z||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/10.233.42.41] 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
    2022-06-26T06:02:29.742Z||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/10.233.42.41] 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
    2022-06-26T06:02:29.744Z||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/10.233.42.41] 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
    2022-06-26T06:02:29.745Z||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/10.233.42.41] 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
    2022-06-26T06:02:29.745Z||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/10.233.42.41] 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
    2022-06-26T06:02:29.746Z||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/10.233.42.41] 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
    2022-06-26T06:02:29.746Z||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/10.233.42.41] 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
    2022-06-26T06:02:29.746Z||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/10.233.42.41] 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
    2022-06-26T06:02:29.746Z||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/10.233.42.41] 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
    2022-06-26T06:02:29.746Z||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/10.233.42.41] 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
    2022-06-26T06:02:29.747Z||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/10.233.42.41] 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
    2022-06-26T06:02:29.747Z||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/10.233.42.41] 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
    2022-06-26T06:02:29.748Z||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/10.233.42.41] 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
    2022-06-26T06:02:29.748Z||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/10.233.42.41] 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
    2022-06-26T06:02:29.746Z||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/10.233.42.41] 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
    2022-06-26T06:02:29.749Z||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/10.233.42.41] 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
    2022-06-26T06:02:29.751Z||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/10.233.42.41] 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
    2022-06-26T06:02:30.275Z||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/10.233.42.41] 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
    2022-06-26T06:02:30.276Z||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/10.233.42.41] 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
    2022-06-26T06:02:30.278Z||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/10.233.42.41] 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
    2022-06-26T06:02:30.280Z||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/10.233.42.41] 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
    2022-06-26T06:02:30.275Z||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/10.233.42.41] 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
    2022-06-26T06:02:30.296Z||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/10.233.42.41] 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
    2022-06-26T06:02:30.323Z||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/10.233.42.41] 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
    2022-06-26T06:02:30.329Z||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/10.233.42.41] 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
    2022-06-26T06:02:30.333Z||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/10.233.42.41] 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
    2022-06-26T06:02:30.335Z||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/10.233.42.41] 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
    2022-06-26T06:02:30.340Z||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/10.233.42.41] 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
    2022-06-26T06:02:30.343Z||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/10.233.42.41] 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
    2022-06-26T06:02:30.346Z||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/10.233.42.41] 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
    2022-06-26T06:02:30.348Z||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/10.233.42.41] 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
    2022-06-26T06:02:30.279Z||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/10.233.42.41] 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
    2022-06-26T06:02:30.350Z||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/10.233.42.41] 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
    2022-06-26T06:02:31.279Z||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/10.233.42.41] 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
    2022-06-26T06:02:31.283Z||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/10.233.42.41] 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
    2022-06-26T06:02:31.283Z||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/10.233.42.41] 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
    2022-06-26T06:02:31.284Z||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/10.233.42.41] 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
    2022-06-26T06:02:31.288Z||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/10.233.42.41] 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
    2022-06-26T06:02:31.302Z||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/10.233.42.41] 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
    2022-06-26T06:02:31.327Z||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/10.233.42.41] 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
    2022-06-26T06:02:31.333Z||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/10.233.42.41] 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
    2022-06-26T06:02:31.335Z||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/10.233.42.41] 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
    2022-06-26T06:02:31.342Z||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/10.233.42.41] 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
    2022-06-26T06:02:31.345Z||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/10.233.42.41] 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
    2022-06-26T06:02:31.344Z||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/10.233.42.41] 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
    2022-06-26T06:02:31.350Z||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/10.233.42.41] 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
    2022-06-26T06:02:31.351Z||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/10.233.42.41] 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
    2022-06-26T06:02:31.351Z||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/10.233.42.41] 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
    2022-06-26T06:02:31.353Z||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/10.233.42.41] 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
    2022-06-26T06:02:31.435Z||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/10.233.42.41] 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
    2022-06-26T06:02:33.285Z||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/10.233.42.41] 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
    2022-06-26T06:02:33.287Z||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/10.233.42.41] 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
    2022-06-26T06:02:33.289Z||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/10.233.42.41] 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
    2022-06-26T06:02:33.292Z||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/10.233.42.41] 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
    2022-06-26T06:02:33.287Z||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/10.233.42.41] 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
    2022-06-26T06:02:33.309Z||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/10.233.42.41] 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
    2022-06-26T06:02:33.331Z||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/10.233.42.41] 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
    2022-06-26T06:02:33.339Z||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/10.233.42.41] 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
    2022-06-26T06:02:33.339Z||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/10.233.42.41] 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
    2022-06-26T06:02:33.348Z||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/10.233.42.41] 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
    2022-06-26T06:02:33.354Z||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/10.233.42.41] 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
    2022-06-26T06:02:33.355Z||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/10.233.42.41] 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
    2022-06-26T06:02:33.356Z||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/10.233.42.41] 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
    2022-06-26T06:02:33.361Z||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/10.233.42.41] 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
    2022-06-26T06:02:33.362Z||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/10.233.42.41] 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
    2022-06-26T06:02:33.373Z||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/10.233.42.41] 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
    2022-06-26T06:02:33.408Z||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/10.233.42.41] 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
    2022-06-26T06:02:37.291Z||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/10.233.42.41] 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
    2022-06-26T06:02:37.291Z||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/10.233.42.41] 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
    2022-06-26T06:02:37.289Z||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/10.233.42.41] 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
    2022-06-26T06:02:37.295Z||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/10.233.42.41] 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
    2022-06-26T06:02:37.305Z||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/10.233.42.41] 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
    2022-06-26T06:02:37.315Z||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/10.233.42.41] 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
    2022-06-26T06:02:37.337Z||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/10.233.42.41] 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
    2022-06-26T06:02:37.343Z||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/10.233.42.41] 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
    2022-06-26T06:02:37.343Z||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/10.233.42.41] 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
    2022-06-26T06:02:37.352Z||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/10.233.42.41] 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
    2022-06-26T06:02:37.360Z||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/10.233.42.41] 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
    2022-06-26T06:02:37.360Z||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/10.233.42.41] 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
    2022-06-26T06:02:37.361Z||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/10.233.42.41] 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
    2022-06-26T06:02:37.368Z||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/10.233.42.41] 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
    2022-06-26T06:02:37.371Z||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/10.233.42.41] 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
    2022-06-26T06:02:37.380Z||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/10.233.42.41] 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
    2022-06-26T06:02:42.672Z||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/10.233.42.41] 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
    2022-06-26T06:02:45.302Z||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/10.233.42.41] 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
    2022-06-26T06:02:45.302Z||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/10.233.42.41] 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
    2022-06-26T06:02:45.309Z||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/10.233.42.41] 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
    2022-06-26T06:02:45.310Z||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/10.233.42.41] 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
    2022-06-26T06:02:45.319Z||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/10.233.42.41] 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
    2022-06-26T06:02:45.302Z||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/10.233.42.41] 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
    2022-06-26T06:02:45.340Z||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/10.233.42.41] 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
    2022-06-26T06:02:45.347Z||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/10.233.42.41] 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
    2022-06-26T06:02:45.348Z||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/10.233.42.41] 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
    2022-06-26T06:02:45.362Z||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/10.233.42.41] 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
    2022-06-26T06:02:45.364Z||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/10.233.42.41] 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
    2022-06-26T06:02:45.367Z||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/10.233.42.41] 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
    2022-06-26T06:02:45.371Z||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/10.233.42.41] 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
    2022-06-26T06:02:45.376Z||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/10.233.42.41] 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
    2022-06-26T06:02:45.391Z||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/10.233.42.41] 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
    2022-06-26T06:02:45.394Z||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/10.233.42.41] 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
    2022-06-26T06:02:49.929Z||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/10.233.42.41] 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
    2022-06-26T06:03:01.323Z||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/10.233.42.41] 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
    2022-06-26T06:03:01.323Z||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/10.233.42.41] 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
    2022-06-26T06:03:01.323Z||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/10.233.42.41] 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
    2022-06-26T06:03:01.325Z||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/10.233.42.41] 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
    2022-06-26T06:03:01.327Z||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/10.233.42.41] 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
    2022-06-26T06:03:01.336Z||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/10.233.42.41] 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
    2022-06-26T06:03:01.351Z||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/10.233.42.41] 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
    2022-06-26T06:03:01.352Z||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/10.233.42.41] 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
    2022-06-26T06:03:01.352Z||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/10.233.42.41] 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
    2022-06-26T06:03:01.367Z||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/10.233.42.41] 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
    2022-06-26T06:03:01.367Z||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/10.233.42.41] 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
    2022-06-26T06:03:01.371Z||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/10.233.42.41] 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
    2022-06-26T06:03:01.375Z||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/10.233.42.41] 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
    2022-06-26T06:03:01.380Z||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/10.233.42.41] 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
    2022-06-26T06:03:01.395Z||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/10.233.42.41] 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
    2022-06-26T06:03:01.397Z||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/10.233.42.41] 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
    2022-06-26T06:03:31.452Z||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/10.233.42.41] 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
    2022-06-26T06:03:33.327Z||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/10.233.42.41] 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
    2022-06-26T06:03:33.327Z||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/10.233.42.41] 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
    2022-06-26T06:03:33.328Z||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/10.233.42.41] 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 S