Thanks, this indeed seems to be an issue with dynamically loading this process to the knowledge base. I've create a JIRA issue for this and will look at fixing this: https://issues.jboss.org/browse/JBPM-3197 Kris Federico Feller wrote: > Hi All, > > I need some help with the signal start event of bpmn2 > It seems that the signal start event doesn't work when a process > definition is added to a knowledge base of an already created session. > I have slightly modified the testSignalStart() unit test of > SimpleBPMNProcessTest.java to reproduce the problem > Firstly, I've added a new process definition named > BPMN2-SignalStart2.bpmn2, based on the original BPMN2-SignalStart.bpmn2, > just renaming the signal name from MySignalStart to MySignalStart2 and > renaming the process id from Minimal to Minimal2 > > The following test runs without any problem, since both process > definitions are added before the session is created > > public void testSignalStart() throws Exception { > KnowledgeBase kbase = > createKnowledgeBase("BPMN2-SignalStart.bpmn2"); > KnowledgeBase kbase2 = > createKnowledgeBase("BPMN2-SignalStart2.bpmn2"); > kbase.addKnowledgePackages(kbase2.getKnowledgePackages()); > StatefulKnowledgeSession ksession = createKnowledgeSession(kbase); > final List<Long> list = new ArrayList<Long>(); > ksession.addEventListener(new DefaultProcessEventListener() { > public void afterProcessStarted(ProcessStartedEvent event) { > list.add(event.getProcessInstance().getId()); > } > }); > ksession.signalEvent("MyStartSignal", "NewValue"); > ksession.signalEvent("MyStartSignal2", "NewValue"); > assertEquals(2, list.size()); > } > > However, the following test fail to run, as the process Minimal2 is never > started when doing ksession.signalEvent("MyStartSignal2", "NewValue"); > If I start the process directly using ksession.startProcess("Minimal2") > then the test passes. > public void testSignalStart2() throws Exception { > KnowledgeBase kbase = > createKnowledgeBase("BPMN2-SignalStart.bpmn2"); > KnowledgeBase kbase2 = > createKnowledgeBase("BPMN2-SignalStart2.bpmn2"); > StatefulKnowledgeSession ksession = > createKnowledgeSession(kbase); > > ksession.getKnowledgeBase().addKnowledgePackages(kbase2.getKnowledgePackages()); > final List<Long> list = new ArrayList<Long>(); > ksession.addEventListener(new DefaultProcessEventListener() { > public void afterProcessStarted(ProcessStartedEvent event) { > list.add(event.getProcessInstance().getId()); > } > }); > ksession.signalEvent("MyStartSignal", "NewValue"); > ksession.signalEvent("MyStartSignal2", "NewValue"); > //ksession.startProcess("Minimal2"); > assertEquals(2, list.size()); > } > > I found some clues on why this is happening. > The first test works because, when the session is created, the method > ProcessRuntimeImpl::initProcessEventListeners() is invoked, and the event > listeners are properly initialized > But in the second test, the event listeners are not initialized since > adding a package does not reinitialize the session. > Any ideas on where I can start looking to fix this? or any workaround? > > Thanks! > > Federico > > ------------------------------------------------------------------------ > > _______________________________________________ > jbpm-dev mailing list > jbpm-dev(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/jbpm-dev > >