[jboss-user] [jBPM] - Re: How to use Email service in JBPM 5.x?

Dhaval Shah do-not-reply at jboss.com
Mon Jan 21 04:33:27 EST 2013


Dhaval Shah [https://community.jboss.org/people/shahdhaval2020] created the discussion

"Re: How to use Email service in JBPM 5.x?"

To view the discussion, visit: https://community.jboss.org/message/793190#793190

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Hey i used the same code as u had written but i am getting this error what does this mean????

i have used email service task in process design .....i.e., start node -> email service task -> end node..


can u plz help me out 

===============================  MyProcessmain.java=======================================

package com.sample;


import org.drools.KnowledgeBase;
import org.drools.builder.KnowledgeBuilder;
import org.drools.builder.KnowledgeBuilderFactory;
import org.drools.builder.ResourceType;
import org.drools.io.ResourceFactory;
import org.drools.runtime.StatefulKnowledgeSession;
import org.jbpm.process.workitem.email.EmailWorkItemHandler;


/**
 * This is a sample file to launch a process.
 */
public class ProcessMain {


          public static final void main(String[] args) throws Exception {
//                    // load up the knowledge base
//                    KnowledgeBase kbase = readKnowledgeBase();
//                    StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
//                    // start a new process instance

//                    ksession.startProcess("com.sample.bpmn.hello");

                    KnowledgeBase kbase = readKnowledgeBase();
              StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();


              EmailWorkItemHandler emailHandler = new EmailWorkItemHandler();
              emailHandler.setConnection("smtp.gmail.com", "587", " mailto:shahdhaval2020 at gmail.com shahdhaval2020 at gmail.com", "com!@#$%");
              emailHandler.getConnection().setStartTls(true);
              ksession.getWorkItemManager().registerWorkItemHandler("Email", emailHandler);


              // start a new process instance
              ksession.startProcess("com.sample.bpmn.hello");

          }


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

           // load up the knowledge base


}

=========================sample.bpmn=============================================

<?xml version="1.0" encoding="UTF-8"?> 
<definitions id="Definition"
             targetNamespace=" http://www.jboss.org/drools http://www.jboss.org/drools"
             typeLanguage=" http://www.java.com/javaTypes http://www.java.com/javaTypes"
             expressionLanguage=" http://www.mvel.org/2.0 http://www.mvel.org/2.0"
             xmlns=" http://www.omg.org/spec/BPMN/20100524/MODEL http://www.omg.org/spec/BPMN/20100524/MODEL"
             xmlns:xsi=" http://www.w3.org/2001/XMLSchema-instance http://www.w3.org/2001/XMLSchema-instance"
             xsi:schemaLocation=" http://www.omg.org/spec/BPMN/20100524/MODEL http://www.omg.org/spec/BPMN/20100524/MODEL BPMN20.xsd"
             xmlns:g=" http://www.jboss.org/drools/flow/gpd http://www.jboss.org/drools/flow/gpd"
             xmlns:bpmndi=" http://www.omg.org/spec/BPMN/20100524/DI http://www.omg.org/spec/BPMN/20100524/DI"
             xmlns:dc=" http://www.omg.org/spec/DD/20100524/DC http://www.omg.org/spec/DD/20100524/DC"
             xmlns:di=" http://www.omg.org/spec/DD/20100524/DI http://www.omg.org/spec/DD/20100524/DI"
             xmlns:tns=" http://www.jboss.org/drools http://www.jboss.org/drools">


  <process processType="Private" isExecutable="true" id="com.sample.bpmn.hello" name="Hello World" >


    <!-- nodes -->
    <startEvent id="_1" name="StartProcess" />
    <endEvent id="_3" name="EndProcess" >
        <terminateEventDefinition/>
    </endEvent>
    <task id="_4" name="Email" tns:taskName="Email" >
      <ioSpecification>
        <inputSet>
        </inputSet>
        <outputSet>
        </outputSet>
      </ioSpecification>
    </task>


    <!-- connections -->
    <sequenceFlow id="_4-_3" sourceRef="_4" targetRef="_3" />
    <sequenceFlow id="_1-_4" sourceRef="_1" targetRef="_4" />


  </process>


  <bpmndi:BPMNDiagram>
    <bpmndi:BPMNPlane bpmnElement="com.sample.bpmn.hello" >
      <bpmndi:BPMNShape bpmnElement="_1" >
        <dc:Bounds x="16" y="16" width="48" height="48" />
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="_3" >
        <dc:Bounds x="345" y="38" width="48" height="48" />
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="_4" >
        <dc:Bounds x="115" y="37" width="100" height="48" />
      </bpmndi:BPMNShape>
      <bpmndi:BPMNEdge bpmnElement="_4-_3" >
        <di:waypoint x="165" y="61" />
        <di:waypoint x="369" y="62" />
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="_1-_4" >
        <di:waypoint x="40" y="40" />
        <di:waypoint x="165" y="61" />
      </bpmndi:BPMNEdge>
    </bpmndi:BPMNPlane>
  </bpmndi:BPMNDiagram>


</definitions>

==============================================

And when i run this  i am getting following output on console

=====>>>>
OUTPUT

==================
Exception in thread "main" org.jbpm.workflow.instance.WorkflowRuntimeException: [com.sample.bpmn.hello:1 - Email:4] -- Email must have one or more to adresses
          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:130)
          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerNodeInstance(NodeInstanceImpl.java:205)
          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerCompleted(NodeInstanceImpl.java:164)
          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:124)
          at org.jbpm.ruleflow.instance.RuleFlowProcessInstance.internalStart(RuleFlowProcessInstance.java:35)
          at org.jbpm.process.instance.impl.ProcessInstanceImpl.start(ProcessInstanceImpl.java:188)
          at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.start(WorkflowProcessInstanceImpl.java:303)
          at org.jbpm.process.instance.ProcessRuntimeImpl.startProcessInstance(ProcessRuntimeImpl.java:168)
          at org.jbpm.process.instance.ProcessRuntimeImpl.startProcess(ProcessRuntimeImpl.java:138)
          at org.jbpm.process.instance.ProcessRuntimeImpl.startProcess(ProcessRuntimeImpl.java:130)
          at org.drools.common.AbstractWorkingMemory.startProcess(AbstractWorkingMemory.java:1077)
          at org.drools.impl.StatefulKnowledgeSessionImpl.startProcess(StatefulKnowledgeSessionImpl.java:315)
          at com.sample.ProcessMain.main(ProcessMain.java:33)
Caused by: java.lang.RuntimeException: Email must have one or more to adresses
          at org.jbpm.process.workitem.email.EmailWorkItemHandler.createEmail(EmailWorkItemHandler.java:86)
          at org.jbpm.process.workitem.email.EmailWorkItemHandler.executeWorkItem(EmailWorkItemHandler.java:67)
          at org.drools.process.instance.impl.DefaultWorkItemManager.internalExecuteWorkItem(DefaultWorkItemManager.java:70)
          at org.jbpm.workflow.instance.node.WorkItemNodeInstance.internalTrigger(WorkItemNodeInstance.java:105)
          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:124)
          ... 14 more
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