How to reconnect a StatefulKnowledgeSession to a process and continue the flow using jBPM5 and BRMS ?

Solution Verified - Updated -

Issue

  • If a server running a jBPM process crashes, it should be able to recover the process and all Human Tasks. Is it possible?
  • Sometimes the current KnowledgeSession should be disposed, how to load it again to continue a process?
  • Reloading a disposed KnowledgeSession by its id to reconnect a process , throws the below message:
Caused by: java.lang.IllegalStateException: Illegal method call. This session was previously disposed.
    at org.drools.reteoo.DisposedReteooWorkingMemory.getWorkItemManager(DisposedReteooWorkingMemory.java:386)
    at org.drools.impl.StatefulKnowledgeSessionImpl.getWorkItemManager(StatefulKnowledgeSessionImpl.java:309)

Environment

  • Red Hat JBoss BRMS (BRMS)
    • 5.3.x
  • jBPM
    • 5.2

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