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When trying to complete task getting NullPointerException at WorkItemNodeInstance.java:298

created by Prabakaran Kamaraj in jBPM Development - View the full discussion

Hi all,

 

We are using JBPM 5.2, when When trying to complete Human task, we are getting below error

 

java.lang.NullPointerException

at org.jbpm.workflow.instance.node.WorkItemNodeInstance.workItemCompleted(WorkItemNodeInstance.java:298)

at org.jbpm.workflow.instance.node.WorkItemNodeInstance.signalEvent(WorkItemNodeInstance.java:277)

at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.signalEvent(WorkflowProcessInstanceImpl.java:326)

at org.drools.persistence.jpa.processinstance.JPAWorkItemManager.completeWorkItem(JPAWorkItemManager.java:119)

at org.drools.command.runtime.process.CompleteWorkItemCommand.execute(CompleteWorkItemCommand.java:69)

at org.drools.command.runtime.process.CompleteWorkItemCommand.execute(CompleteWorkItemCommand.java:32)

at org.drools.command.impl.DefaultCommandService.execute(DefaultCommandService.java:36)

at org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:345)

at org.drools.command.impl.CommandBasedStatefulKnowledgeSession$1.completeWorkItem(CommandBasedStatefulKnowledgeSession.java:150)

 

if any has faced same issue and knows the solution, please provide.

 

Thanks and Regards,

Praba

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