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Unable to run the business process using JBPM 5.4

created by ganesh r in jBPM Development - View the full discussion

I have downloaded latest JBPM 5.4 final full installer. After installing in my local machine, developed a business process with human task, start event -> user task -> end event.

To run the business process I have used the following code,

 

public static final void main(String[] args) throws Exception {
  // load up the knowledge base
  //startUp();
  KnowledgeBase kbase = readKnowledgeBase();
  StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
  HornetQHTWorkItemHandler humanTaskHandler = new HornetQHTWorkItemHandler(
    ksession);
  humanTaskHandler.setIpAddress("127.0.0.1");
  humanTaskHandler.setPort(5445);
  ksession.getWorkItemManager().registerWorkItemHandler("Human Task",
    humanTaskHandler);
  Map<String, Object> params = new HashMap<String, Object>();
  params.put("title", "ESS");
  params.put("businessKey", "ESS-Key");
  // start a new process instance
  ksession.startProcess("com.sample.bpmn.hello",params);
}

private static KnowledgeBase readKnowledgeBase() throws Exception {
  KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
  kbuilder.add(ResourceFactory.newClassPathResource("sample.bpmn"), ResourceType.BPMN2);
  return kbuilder.newKnowledgeBase();
}

 

But it is throwing the following exception,

 

0    21/11 03:07:38,030[main] ERROR service.hornetq.HornetQTaskClientConnector.connect  - Unable to connect to server using configuration org-hornetq-core-remoting-impl-netty-NettyConnectorFactory?port=5445&host=127-0-0-1

Exception in thread "main" org.jbpm.workflow.instance.WorkflowRuntimeException: [com.sample.bpmn.hello:1 - User Task:4] -- Could not connect task client: on ip: 127.0.0.1 - port: 5445

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.node.ActionNodeInstance.triggerCompleted(ActionNodeInstance.java:55)

at org.jbpm.workflow.instance.node.ActionNodeInstance.internalTrigger(ActionNodeInstance.java:51)

at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:126)

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.node.StartNodeInstance.triggerCompleted(StartNodeInstance.java:49)

at org.jbpm.workflow.instance.node.StartNodeInstance.internalTrigger(StartNodeInstance.java:41)

at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:126)

at org.jbpm.ruleflow.instance.RuleFlowProcessInstance.internalStart(RuleFlowProcessInstance.java:35)

at org.jbpm.process.instance.impl.ProcessInstanceImpl.start(ProcessInstanceImpl.java:194)

at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.start(WorkflowProcessInstanceImpl.java:309)

at org.jbpm.process.instance.ProcessRuntimeImpl.startProcessInstance(ProcessRuntimeImpl.java:170)

at org.jbpm.process.instance.ProcessRuntimeImpl.startProcess(ProcessRuntimeImpl.java:140)

at org.drools.common.AbstractWorkingMemory.startProcess(AbstractWorkingMemory.java:1098)

at org.drools.impl.StatefulKnowledgeSessionImpl.startProcess(StatefulKnowledgeSessionImpl.java:320)

at com.sample.ProcessMain.main(ProcessMain.java:35)

Caused by: java.lang.IllegalArgumentException: Could not connect task client: on ip: 127.0.0.1 - port: 5445

at org.jbpm.process.workitem.wsht.GenericHTWorkItemHandler.connect(GenericHTWorkItemHandler.java:158)

at org.jbpm.process.workitem.wsht.GenericHTWorkItemHandler.executeWorkItem(GenericHTWorkItemHandler.java:180)

at org.drools.process.instance.impl.DefaultWorkItemManager.internalExecuteWorkItem(DefaultWorkItemManager.java:70)

at org.jbpm.workflow.instance.node.WorkItemNodeInstance.internalTrigger(WorkItemNodeInstance.java:107)

at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:126)

... 18 more

 

Before running the business process I have started h2, jboss and task service using ant start.demo

 

Do I'm missing anything here?

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