Tests results - Container so-sdnc-adapter from pod onap-so-sdnc-adapter-f8f6f8499-mlh6l 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)

    2022-04-28T05:44:15.821Z||main|||||INFO|500||The following profiles are active: basic
    2022-04-28T05:44:28.304Z||main|||||INFO|500||Starting service [Tomcat]
    2022-04-28T05:44:28.305Z||main|||||INFO|500||Starting Servlet engine: [Apache Tomcat/9.0.41]
    2022-04-28T05:44:28.455Z||main|||||INFO|500||Initializing Spring embedded WebApplicationContext
    2022-04-28T05:44:28.967Z||main|||||INFO|500||RA_INIT_SDNC_ADAPTER SDNC SDNCAdapterPortType
    2022-04-28T05:44:35.799Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-04-28T05:44:35.814Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-04-28T05:44:35.817Z||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]
    2022-04-28T05:44:35.819Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-04-28T05:44:35.821Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-04-28T05:44:35.826Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-04-28T05:44:35.882Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-04-28T05:44:35.882Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-04-28T05:44:35.883Z||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]
    2022-04-28T05:44:35.883Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-04-28T05:44:35.884Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-04-28T05:44:35.886Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-04-28T05:44:35.890Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-04-28T05:44:35.890Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-04-28T05:44:35.891Z||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]
    2022-04-28T05:44:35.893Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-04-28T05:44:35.894Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-04-28T05:44:35.896Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-04-28T05:44:35.901Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-04-28T05:44:35.902Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-04-28T05:44:35.903Z||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]
    2022-04-28T05:44:35.903Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-04-28T05:44:35.903Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-04-28T05:44:35.910Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-04-28T05:44:35.916Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-04-28T05:44:35.917Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-04-28T05:44:35.917Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormatProvider[name = application/x-java-serialized-object]
    2022-04-28T05:44:35.918Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-04-28T05:44:35.918Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-04-28T05:44:35.920Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-04-28T05:44:35.928Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-04-28T05:44:35.929Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-04-28T05:44:35.930Z||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]
    2022-04-28T05:44:35.931Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-04-28T05:44:35.931Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-04-28T05:44:35.936Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-04-28T05:44:35.943Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-04-28T05:44:35.943Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-04-28T05:44:35.944Z||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]
    2022-04-28T05:44:35.944Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-04-28T05:44:35.944Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-04-28T05:44:35.946Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-04-28T05:44:35.953Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-04-28T05:44:35.953Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-04-28T05:44:35.953Z||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]
    2022-04-28T05:44:35.954Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-04-28T05:44:35.954Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-04-28T05:44:35.956Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-04-28T05:44:35.962Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-04-28T05:44:35.963Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-04-28T05:44:35.970Z||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]
    2022-04-28T05:44:35.971Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-04-28T05:44:35.971Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-04-28T05:44:35.973Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-04-28T05:44:35.979Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-04-28T05:44:35.980Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-04-28T05:44:35.980Z||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]
    2022-04-28T05:44:35.981Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-04-28T05:44:35.981Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-04-28T05:44:35.983Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-04-28T05:44:35.992Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-04-28T05:44:35.993Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-04-28T05:44:35.993Z||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]
    2022-04-28T05:44:35.994Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-04-28T05:44:35.994Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-04-28T05:44:35.996Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-04-28T05:44:36.008Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-04-28T05:44:36.009Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-04-28T05:44:36.010Z||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]
    2022-04-28T05:44:36.010Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-04-28T05:44:36.011Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-04-28T05:44:36.013Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-04-28T05:44:36.018Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-04-28T05:44:36.019Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-04-28T05:44:36.019Z||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]
    2022-04-28T05:44:36.019Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-04-28T05:44:36.021Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-04-28T05:44:36.023Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-04-28T05:44:36.028Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-04-28T05:44:36.029Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-04-28T05:44:36.030Z||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]
    2022-04-28T05:44:36.030Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-04-28T05:44:36.030Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-04-28T05:44:36.033Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-04-28T05:44:36.038Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-04-28T05:44:36.039Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-04-28T05:44:36.039Z||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]
    2022-04-28T05:44:36.039Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-04-28T05:44:36.040Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-04-28T05:44:36.042Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-04-28T05:44:36.051Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-04-28T05:44:36.051Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-04-28T05:44:36.052Z||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]
    2022-04-28T05:44:36.052Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-04-28T05:44:36.053Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-04-28T05:44:36.075Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-04-28T05:44:36.087Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-04-28T05:44:36.087Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-04-28T05:44:36.088Z||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]
    2022-04-28T05:44:36.088Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-04-28T05:44:36.089Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-04-28T05:44:36.091Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-04-28T05:44:36.096Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-04-28T05:44:36.097Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-04-28T05:44:36.097Z||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]
    2022-04-28T05:44:36.098Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-04-28T05:44:36.098Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-04-28T05:44:36.100Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-04-28T05:44:36.106Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-04-28T05:44:36.107Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-04-28T05:44:36.109Z||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]
    2022-04-28T05:44:36.109Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-04-28T05:44:36.110Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-04-28T05:44:36.113Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-04-28T05:44:36.119Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormatProvider[name = application/json]
    2022-04-28T05:44:36.120Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.json.JacksonJsonDataFormat[name = application/json]
    2022-04-28T05:44:36.120Z||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]
    2022-04-28T05:44:36.120Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.serializable.SerializableDataFormat[name = application/x-java-serialized-object]
    2022-04-28T05:44:36.121Z||main|||||INFO|500||TASK/CLIENT-01026 Discovered data format provider: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormatProvider[name = application/xml]
    2022-04-28T05:44:36.123Z||main|||||INFO|500||TASK/CLIENT-01025 Discovered data format: org.camunda.bpm.client.variable.impl.format.xml.DomXmlDataFormat[name = application/xml]
    2022-04-28T05:44:37.362Z||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/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:44:38.596Z||main|||||WARN|500||---
    2022-04-28T05:44:38.597Z||main|||||WARN|500||Spring Data REST HAL Browser is deprecated! Prefer the HAL Explorer (artifactId: spring-data-rest-hal-explorer)!
    2022-04-28T05:44:38.597Z||main|||||WARN|500||---
    2022-04-28T05:44:38.890Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:44:39.089Z||main|||||INFO|500||Setting the server's publish address to be /rest
    2022-04-28T05:44:39.370Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:44:39.623Z||main|||||INFO|500||Creating Service {http://org.onap/workflow/sdnc/adapter/wsdl/v1}SDNCAdapterService from class org.onap.so.adapters.sdnc.SDNCAdapterPortType
    2022-04-28T05:44:40.656Z||main|||||INFO|500||Setting the server's publish address to be /SDNCAdapter
    2022-04-28T05:44:40.658Z||main|||||INFO|500||RA_INIT_SDNC_ADAPTER SDNC SDNCAdapterPortType
    2022-04-28T05:44:40.906Z||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/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:44:41.373Z||main|||||DEBUG|500||Injecting class org.onap.so.security.SoBasicHttpSecurityConfigurer configuration ...
    2022-04-28T05:44:42.924Z||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/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:44:43.404Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:44:44.938Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:44:46.954Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:44:47.650Z||main|||||INFO|500||Started SDNCAdapterApplication in 35.736 seconds (JVM running for 38.203)
    2022-04-28T05:44:48.972Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:44:49.964Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:44:51.595Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:44:53.134Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:44:54.992Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:44:57.168Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:44:58.252Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:44:58.254Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:45:00.204Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:45:04.016Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:45:04.209Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:45:12.219Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:45:20.021Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:45:28.223Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:45:52.031Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:00.228Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:47.050Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:47.050Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] 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
    2022-04-28T05:46:47.051Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] 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
    2022-04-28T05:46:47.051Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:47.051Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:47.050Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] 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
    2022-04-28T05:46:47.051Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] 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
    2022-04-28T05:46:47.052Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] 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
    2022-04-28T05:46:47.050Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:47.052Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] 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
    2022-04-28T05:46:47.052Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] 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
    2022-04-28T05:46:47.052Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] 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
    2022-04-28T05:46:47.050Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:47.053Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] 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
    2022-04-28T05:46:47.054Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:47.055Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] 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
    2022-04-28T05:46:47.556Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:47.557Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:47.558Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:47.558Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:47.559Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:47.559Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:47.560Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:47.559Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:47.561Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:47.559Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:47.560Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:47.560Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:47.560Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:47.560Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:47.565Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:47.562Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:48.560Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:48.561Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:48.561Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:48.562Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:48.562Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:48.563Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:48.564Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:48.565Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:48.565Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:48.565Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:48.565Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:48.566Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:48.566Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:48.566Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:48.567Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:48.573Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:50.564Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:50.565Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:50.566Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:50.564Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:50.565Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:50.566Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:50.569Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:50.570Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:50.570Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:50.570Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:50.569Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:50.569Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:50.570Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:50.571Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:50.572Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:50.576Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:52.036Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:54.569Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:54.570Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:54.569Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:54.570Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:54.570Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:54.572Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:54.572Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:54.569Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:54.572Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:54.572Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:54.573Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:54.574Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:54.573Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:54.575Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:54.575Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:46:54.578Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:00.233Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:02.573Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:02.573Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:02.573Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:02.573Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:02.573Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:02.575Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:02.575Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:02.575Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:02.576Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:02.576Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:02.577Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:02.577Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:02.577Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:02.579Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:02.581Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:02.582Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:11.630Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:11.630Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:18.581Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:18.581Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:18.581Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:18.581Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:18.582Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:18.582Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:18.582Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:18.582Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:18.581Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:18.581Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:18.583Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:18.581Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:18.584Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:18.582Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:18.584Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:18.585Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:19.634Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:19.634Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02002 Exception while establishing connection for request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1'
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileEstablishingConnection(EngineClientLogger.java:36)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:101)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.conn.HttpHostConnectException: Connect to so-bpmn-infra.onap:8081 [so-bpmn-infra.onap/10.233.48.136] failed: Connection refused (Connection refused)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    Caused by: java.net.ConnectException: Connection refused (Connection refused)
    	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
    	at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    	at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.base/java.net.Socket.connect(Unknown Source)
    	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    	... 18 common frames omitted
    2022-04-28T05:47:38.682Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02001 Request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1' returned error: status code '401' - message: status code: 401
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileReceivingResponse(EngineClientLogger.java:30)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:97)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.client.HttpResponseException: status code: 401
    	at org.camunda.bpm.client.impl.RequestExecutor$1.handleResponse(RequestExecutor.java:146)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:223)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    2022-04-28T05:47:38.682Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02001 Request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1' returned error: status code '401' - message: status code: 401
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileReceivingResponse(EngineClientLogger.java:30)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:97)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.client.HttpResponseException: status code: 401
    	at org.camunda.bpm.client.impl.RequestExecutor$1.handleResponse(RequestExecutor.java:146)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:223)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    2022-04-28T05:47:50.715Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02001 Request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1' returned error: status code '401' - message: status code: 401
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileReceivingResponse(EngineClientLogger.java:30)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:97)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.client.HttpResponseException: status code: 401
    	at org.camunda.bpm.client.impl.RequestExecutor$1.handleResponse(RequestExecutor.java:146)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:223)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    2022-04-28T05:47:50.727Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02001 Request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1' returned error: status code '401' - message: status code: 401
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileReceivingResponse(EngineClientLogger.java:30)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:97)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.client.HttpResponseException: status code: 401
    	at org.camunda.bpm.client.impl.RequestExecutor$1.handleResponse(RequestExecutor.java:146)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:223)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    2022-04-28T05:47:50.728Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02001 Request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1' returned error: status code '401' - message: status code: 401
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileReceivingResponse(EngineClientLogger.java:30)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:97)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.client.HttpResponseException: status code: 401
    	at org.camunda.bpm.client.impl.RequestExecutor$1.handleResponse(RequestExecutor.java:146)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:223)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    2022-04-28T05:47:50.753Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02001 Request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1' returned error: status code '401' - message: status code: 401
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileReceivingResponse(EngineClientLogger.java:30)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:97)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.client.HttpResponseException: status code: 401
    	at org.camunda.bpm.client.impl.RequestExecutor$1.handleResponse(RequestExecutor.java:146)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:223)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    2022-04-28T05:47:50.776Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02001 Request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1' returned error: status code '401' - message: status code: 401
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileReceivingResponse(EngineClientLogger.java:30)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:97)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.client.HttpResponseException: status code: 401
    	at org.camunda.bpm.client.impl.RequestExecutor$1.handleResponse(RequestExecutor.java:146)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:223)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    2022-04-28T05:47:50.776Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02001 Request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1' returned error: status code '401' - message: status code: 401
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileReceivingResponse(EngineClientLogger.java:30)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:97)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.client.HttpResponseException: status code: 401
    	at org.camunda.bpm.client.impl.RequestExecutor$1.handleResponse(RequestExecutor.java:146)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:223)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    2022-04-28T05:47:50.809Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02001 Request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1' returned error: status code '401' - message: status code: 401
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileReceivingResponse(EngineClientLogger.java:30)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:97)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.client.HttpResponseException: status code: 401
    	at org.camunda.bpm.client.impl.RequestExecutor$1.handleResponse(RequestExecutor.java:146)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:223)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    2022-04-28T05:47:50.813Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02001 Request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1' returned error: status code '401' - message: status code: 401
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileReceivingResponse(EngineClientLogger.java:30)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:97)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.client.HttpResponseException: status code: 401
    	at org.camunda.bpm.client.impl.RequestExecutor$1.handleResponse(RequestExecutor.java:146)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:223)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    2022-04-28T05:47:50.816Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02001 Request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1' returned error: status code '401' - message: status code: 401
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileReceivingResponse(EngineClientLogger.java:30)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:97)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.client.HttpResponseException: status code: 401
    	at org.camunda.bpm.client.impl.RequestExecutor$1.handleResponse(RequestExecutor.java:146)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:223)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    2022-04-28T05:47:50.824Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02001 Request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1' returned error: status code '401' - message: status code: 401
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileReceivingResponse(EngineClientLogger.java:30)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:97)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.client.HttpResponseException: status code: 401
    	at org.camunda.bpm.client.impl.RequestExecutor$1.handleResponse(RequestExecutor.java:146)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:223)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    2022-04-28T05:47:50.824Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02001 Request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1' returned error: status code '401' - message: status code: 401
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileReceivingResponse(EngineClientLogger.java:30)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:97)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.client.HttpResponseException: status code: 401
    	at org.camunda.bpm.client.impl.RequestExecutor$1.handleResponse(RequestExecutor.java:146)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:223)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    2022-04-28T05:47:50.829Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02001 Request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1' returned error: status code '401' - message: status code: 401
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileReceivingResponse(EngineClientLogger.java:30)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:97)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.client.HttpResponseException: status code: 401
    	at org.camunda.bpm.client.impl.RequestExecutor$1.handleResponse(RequestExecutor.java:146)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:223)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    2022-04-28T05:47:50.840Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02001 Request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1' returned error: status code '401' - message: status code: 401
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileReceivingResponse(EngineClientLogger.java:30)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:97)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.client.HttpResponseException: status code: 401
    	at org.camunda.bpm.client.impl.RequestExecutor$1.handleResponse(RequestExecutor.java:146)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:223)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    2022-04-28T05:47:50.848Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02001 Request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1' returned error: status code '401' - message: status code: 401
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileReceivingResponse(EngineClientLogger.java:30)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:97)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.client.HttpResponseException: status code: 401
    	at org.camunda.bpm.client.impl.RequestExecutor$1.handleResponse(RequestExecutor.java:146)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:223)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    2022-04-28T05:47:50.849Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02001 Request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1' returned error: status code '401' - message: status code: 401
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileReceivingResponse(EngineClientLogger.java:30)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:97)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.client.HttpResponseException: status code: 401
    	at org.camunda.bpm.client.impl.RequestExecutor$1.handleResponse(RequestExecutor.java:146)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:223)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    2022-04-28T05:47:50.856Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02001 Request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1' returned error: status code '401' - message: status code: 401
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileReceivingResponse(EngineClientLogger.java:30)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:97)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.client.HttpResponseException: status code: 401
    	at org.camunda.bpm.client.impl.RequestExecutor$1.handleResponse(RequestExecutor.java:146)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:223)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    2022-04-28T05:47:52.148Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02001 Request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1' returned error: status code '401' - message: status code: 401
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileReceivingResponse(EngineClientLogger.java:30)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:97)
    	at org.camunda.bpm.client.impl.RequestExecutor.postRequest(RequestExecutor.java:74)
    	at org.camunda.bpm.client.impl.EngineClient.fetchAndLock(EngineClient.java:78)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.fetchAndLock(TopicSubscriptionManager.java:135)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.acquire(TopicSubscriptionManager.java:101)
    	at org.camunda.bpm.client.topic.impl.TopicSubscriptionManager.run(TopicSubscriptionManager.java:87)
    	at java.base/java.lang.Thread.run(Unknown Source)
    Caused by: org.apache.http.client.HttpResponseException: status code: 401
    	at org.camunda.bpm.client.impl.RequestExecutor$1.handleResponse(RequestExecutor.java:146)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:223)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)
    	at org.camunda.bpm.client.impl.RequestExecutor.executeRequest(RequestExecutor.java:88)
    	... 6 common frames omitted
    2022-04-28T05:48:00.340Z||TopicSubscriptionManager|||||ERROR|500||TASK/CLIENT-03001 Exception while fetch and lock task.
    org.camunda.bpm.client.impl.EngineClientException: TASK/CLIENT-02001 Request 'POST http://so-bpmn-infra.onap:8081/sobpmnengine/external-task/fetchAndLock HTTP/1.1' returned error: status code '401' - message: status code: 401
    	at org.camunda.bpm.client.impl.EngineClientLogger.exceptionWhileReceivingResponse(EngineClientLogger.java:30)
    	at org.camun