Unable to marshall JaxbCommandsRequest

Solution Verified - Updated -

Issue

  • When using SetProcessInstanceVariablesCommand or StartProcessCommand remotely, via /execute endpoint, following exception is visible in the logs:
org.kie.services.client.serialization.SerializationException: Unable to marshall JaxbCommandsRequest instance.
    at org.kie.services.client.serialization.JaxbSerializationProvider.serialize(JaxbSerializationProvider.java:155)
....
Caused by: java.lang.NullPointerException
    at org.drools.core.xml.jaxb.util.JaxbMapAdapter.marshal(JaxbMapAdapter.java:42)
    at org.drools.core.xml.jaxb.util.JaxbMapAdapter.marshal(JaxbMapAdapter.java:31)
    at com.sun.xml.bind.v2.runtime.reflect.AdaptedAccessor.get(AdaptedAccessor.java:76)
    ... 39 more
  • While are trying to trigger BPMN2 process using JMS Remote API , it throws the following error messages.
org.kie.services.client.serialization.SerializationException: Unable to marshall JaxbCommandsRequest instance

Environment

  • Red Hat JBoss BPM Suite (BPMS)
    • 6.0.x

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