[jboss-user] [JBoss jBPM] - Re: JBPM4: FOREIGN KEY problem

shekharv do-not-reply at jboss.com
Thu Jul 9 05:50:13 EDT 2009

Once you have completed the last task in the process, the process goes to the end sate after which it is deleted from the jbpm4_execution table and is then put into the JBPM4_HIST_PROCINST table, 

Now here are the two lines that are causing the problem: this is in the del method:

ProcessInstance pi = processEngine.getExecutionService().findProcessInstanceById(this.processInstance.getId());
        String executionId = pi.findActiveExecutionIn("end").getId();

The process instance has been deleted, as it has ended. IF it is deleted, the pi object is null and hence it throws a NPE,        

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