[jboss-user] [jBPM] - Re: Task Human - Parameter Mapping

Mantu Singh [https://community.jboss.org/people/mantusingh90] created the discussion "Re: Task Human - Parameter Mapping" To view the discussion, visit: https://community.jboss.org/message/793530#793530 -------------------------------------------------------------- Hi , i have solved this problem , your https://community.jboss.org/thread/200045 https://community.jboss.org/thread/200045 post helped me on this.....thanks!! but i still have one problem ... after completion of two user task it throws exception in Diverging getway. this code is there for Diverging getway... *<conditionExpression xsi:type="tFormalExpression" language=" http://www.java.com/java http://www.java.com/java" >System.out.println("no_male = " + no_male);* *System.out.println("no_female = " + no_female);* *System.out.println("actual_male = " + actual_male);* *System.out.println("actual_female = " + actual_female);* *System.out.println("compare = " + (* *    ( no_male.equals( actual_male )) &amp;&amp;* *    ( no_female.equals( actual_female ))* *));* *return (* *    no_male.equals( actual_male ) &amp;&amp;* *    no_female.equals( actual_female )* *);</conditionExpression>* *https://community.jboss.org/servlet/JiveServlet/showImage/2-793530-20178/a.bmp https://community.jboss.org/servlet/JiveServlet/downloadImage/2-793530-20... exception................!!!!!! *org.jbpm.workflow.instance.WorkflowRuntimeException: [humanTaskFlow:1 - Gateway:6] -- Exception when trying to evaluate constraint Match in split Gateway* *    at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:132)* *    at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerNodeInstance(NodeInstanceImpl.java:279)* *    at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerCompleted(NodeInstanceImpl.java:238)* *    at org.jbpm.workflow.instance.impl.ExtendedNodeInstanceImpl.triggerCompleted(ExtendedNodeInstanceImpl.java:47)* *    at org.jbpm.workflow.instance.node.StateBasedNodeInstance.triggerCompleted(StateBasedNodeInstance.java:216)* *    at org.jbpm.workflow.instance.node.StateBasedNodeInstance.triggerCompleted(StateBasedNodeInstance.java:196)* *    at org.jbpm.workflow.instance.node.WorkItemNodeInstance.triggerCompleted(WorkItemNodeInstance.java:247)* *    at org.jbpm.workflow.instance.node.HumanTaskNodeInstance.triggerCompleted(HumanTaskNodeInstance.java:90)* *    at org.jbpm.workflow.instance.node.WorkItemNodeInstance.workItemCompleted(WorkItemNodeInstance.java:309)* *    at org.jbpm.workflow.instance.node.WorkItemNodeInstance.signalEvent(WorkItemNodeInstance.java:285)* *    at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.signalEvent(WorkflowProcessInstanceImpl.java:342)* *    at org.drools.process.instance.impl.DefaultWorkItemManager.completeWorkItem(DefaultWorkItemManager.java:116)* *    at org.jbpm.process.workitem.wsht.SyncWSHumanTaskHandler$TaskCompletedHandler.handleCompletedTask(SyncWSHumanTaskHandler.java:361)* *    at org.jbpm.process.workitem.wsht.SyncWSHumanTaskHandler$TaskCompletedHandler.execute(SyncWSHumanTaskHandler.java:325)* *    at org.jbpm.task.service.local.LocalTaskService$SimpleEventTransport.trigger(LocalTaskService.java:329)* *    at org.jbpm.task.event.MessagingTaskEventListener.triggerPayload(MessagingTaskEventListener.java:76)* *    at org.jbpm.task.event.MessagingTaskEventListener.handleEvent(MessagingTaskEventListener.java:92)* *    at org.jbpm.task.event.MessagingTaskEventListener.taskCompleted(MessagingTaskEventListener.java:109)* *    at org.jbpm.task.event.TaskEventSupport.fireTaskCompleted(TaskEventSupport.java:49)* *    at org.jbpm.task.service.TaskServiceSession.postTaskCompleteOperation(TaskServiceSession.java:569)* *    at org.jbpm.task.service.TaskServiceSession.taskOperation(TaskServiceSession.java:495)* *    at org.jbpm.task.service.local.LocalTaskService.complete(LocalTaskService.java:83)* *    at com.utsav.poc.LocalTaskClientTest.main(LocalTaskClientTest.java:121)* *Caused by: java.lang.RuntimeException: Exception when trying to evaluate constraint Match in split Gateway* *    at org.jbpm.workflow.instance.node.SplitInstance.internalTrigger(SplitInstance.java:79)* *    at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:126)* *    ... 22 more* *Caused by: java.lang.RuntimeException: unable to execute ReturnValueEvaluator:* *    at org.jbpm.process.instance.impl.ReturnValueConstraintEvaluator.evaluate(ReturnValueConstraintEvaluator.java:132)* *    at org.jbpm.workflow.instance.node.SplitInstance.internalTrigger(SplitInstance.java:72)* *    ... 23 more* *Caused by: java.lang.NullPointerException* *    at com.geneoz.flow.Process_com_geneoz_flow_HumanTaskFlow_b_a0f515366213482980bd0febe418f32c.returnValueEvaluator5(Process_com_geneoz_flow_HumanTaskFlow_b_a0f515366213482980bd0febe418f32c.java:48)* *    at com.geneoz.flow.Process_com_geneoz_flow_HumanTaskFlow_b_a0f515366213482980bd0febe418f32cReturnValueEvaluator5Invoker.evaluate(Process_com_geneoz_flow_HumanTaskFlow_b_a0f515366213482980bd0febe418f32cReturnValueEvaluator5Invoker.java:18)* *    at org.jbpm.process.instance.impl.ReturnValueConstraintEvaluator.evaluate(ReturnValueConstraintEvaluator.java:130)* *    ... 24 more* -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/793530#793530] Start a new discussion in jBPM at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]