Sandra Renaud [https://community.jboss.org/people/joploya] created the discussion
"Human task + HornetQ + persistence + MySQL => ununderstanding stacktrace" To view the discussion, visit: https://community.jboss.org/message/772405#772405 -------------------------------------------------------------- Hello... or welcome back, I go from error to error with jbpm and Human task, trying using them in my web application. Last step was to connect the human task to LDAP and it seems working well : 16:30:13,329 INFO [stdout] (MSC service thread 1-6) HornetQ Task service started correctly ! 16:30:13,330 INFO [stdout] (MSC service thread 1-6) HornetQ Task service running ... 16:30:13,334 INFO [org.jbpm.task.service.UserGroupCallbackManager] (MSC service thread 1-6) UserGroupCallback registered: org.jbpm.task.service.LDAPUserGroupCallbackImpl 16:30:13,335 INFO [stdout] (MSC service thread 1-6) Task service startup completed successfully ! So I return to the web app where I created a classe to manage the knowledgeSession (file attach), that I use in my Bean : try { KnowledgeBase kbase = readKnowledgeBase(); StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession(); KnowledgeRuntimeLogger logger = KnowledgeRuntimeLoggerFactory.newThreadedFileLogger(ksession, "/log/loggerFile.log", 1000); HornetQHTWorkItemHandler hornetQHTWorkItemHandler = new HornetQHTWorkItemHandler(ksession); ksession.getWorkItemManager().registerWorkItemHandler("Human Task", hornetQHTWorkItemHandler); getFlowEntity().setCurrentGroup("AMS_CRW_"+getFlowEntity().getGlobalEntity().getCodifType()+"_CODIF"); getFlowEntity().setRequestorName(((UserLDAP)identity.getUser()).getUser().getFirstName()+" "+((UserLDAP)identity.getUser()).getUser().getName()); //Add the current actor in CC System.out.println("Add the current actor in CC"); PeopleEntity requestor = getCurrentPeople("AMS_CRW_PM_PL"); listCCnpl.add(requestor); // ... some code // start a new process instance Map<String, Object> params = new HashMap<String, Object>(); params.put("userId", requestor.getName()); params.put("userGroup", requestor.getRole()); params.put("flowId", getFlowEntity().getFlowId()); ProcessInstance process = ksession.startProcess("com.st.ams.flow.npl", params); System.out.println("process = "+process.getProcessId()+" : "+process.getProcessName()+" : state("+process.getState()+")"); SystemEventListenerFactory.setSystemEventListener(new SystemEventListener()); //Now the PM_PL process his task (it is already complete in reality) BlockingTaskSummaryResponseHandler taskSummaryResponseHandler = new BlockingTaskSummaryResponseHandler(); List<String> groups = new ArrayList<String>(); groups.add(requestor.getRole()); System.out.println("Groups : "); for(String grp : groups){ System.out.println(" - "+grp); } amsKnowledgeSession.getClient().getTasksAssignedAsPotentialOwner(requestor.getName(), groups, "en-UK", taskSummaryResponseHandler); List<TaskSummary> potentialTasks = taskSummaryResponseHandler.getResults(); for(TaskSummary task : potentialTasks){ System.out.println("PM_PL can execute task " + task.getName() + "(" + task.getId() + ": " + task.getDescription() + ")"); } } catch (Exception e) { e.printStackTrace(); } The process seams to be launched correctly but after there is a lot of error in many threads (103, 106, 137 ....) what do they mean? Most of the entity mapped by the Human task have a field id, so what can be wrong with persistence? And which persistence?(human-core, human task, or other...) Thanks in advance to help me progress because the others thread of dicussion and documentation don't help me at this point. Another question linked is why human task generate a lot of tables like xxx_id_seq whereas entities have an AutoGenerated id value? Regards, -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/772405#772405] Start a new discussion in jBPM at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&containerType=14&container=2034]
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