User development, A new message was posted in the thread "How to terminate a forked process": http://community.jboss.org/message/519664#519664 Author : Jas Lam Profile : http://community.jboss.org/people/lamj1 Message: -------------------------------------------------------------- So i modify the testForking method to attempt to terminate all child executions first as follow   public void testForking()   {        ProcessInstance processInstance = executionService.startProcessInstanceByKey("ForkProcess");        String pid = processInstance.getId();        Execution mainExe = executionService.findExecutionById(pid);        List<Execution> exeList = (List<Execution>) mainExe.getExecutions();        for(Execution exe : exeList)        {             System.out.println(exe.getId());             ((ExecutionImpl) exe).end();        }        ((ExecutionImpl)mainExe).end(); //exception here }   Two child executions were found, but after one is ended, the for loop quits. The same exception occurs when mainExe is ended. -------------------------------------------------------------- To reply to this message visit the message page: http://community.jboss.org/message/519664#519664