[rules-users] ProcessInstance Does Not Complete With User Task and Rule Task

[nfox241]

I have a flow: start -- User Task - Rule Task - User Task - Action - end. 

I complete the 1st User Task, next the rules which are part of the
RuleFlowGroup in the Rule Task fire correctly, then I complete the next User
Task. However, my final action node is never reached and the processInstance
never completes.  

Here is my Rule Flow:
?xml version="1.0" encoding="UTF-8"?> 
<process xmlns="http://drools.org/drools-5.0/process"
         xmlns:xs="http://www.w3.org/2001/XMLSchema-instance"
         xs:schemaLocation="http://drools.org/drools-5.0/process
drools-processes-5.0.xsd"
         type="RuleFlow" name="droolsflow" id="org.plugtree.labs.droolsflow"
package-name="org.plugtree.labs" >

  <header>
    <imports>
      <import name="org.plugtree.labs.variablepersistence.MyEntity" />
      <import
name="org.plugtree.labs.variablepersistence.MyVariableSerializable" />
    </imports>
  </header>

  <nodes>
    <ruleSet id="17" name="ruleMe" x="410" y="123" width="80" height="48"
ruleFlowGroup="fox" />
    <start id="1" name="Start" x="16" y="16" width="48" height="48" />
    <end id="3" name="End" x="665" y="312" width="48" height="48" />
    <humanTask id="23" name="User Task" x="279" y="237" width="100"
height="48" >
      <work name="Human Task" >
        <parameter name="ActorId" >
          <type
name="org.drools.process.core.datatype.impl.type.StringDataType" />
        </parameter>
        <parameter name="Comment" >
          <type
name="org.drools.process.core.datatype.impl.type.StringDataType" />
        </parameter>
        <parameter name="Content" >
          <type
name="org.drools.process.core.datatype.impl.type.StringDataType" />
        </parameter>
        <parameter name="Priority" >
          <type
name="org.drools.process.core.datatype.impl.type.StringDataType" />
        </parameter>
        <parameter name="Skippable" >
          <type
name="org.drools.process.core.datatype.impl.type.StringDataType" />
        </parameter>
        <parameter name="TaskName" >
          <type
name="org.drools.process.core.datatype.impl.type.StringDataType" />
        </parameter>
      </work>
    </humanTask>
    <humanTask id="22" name="User Task" x="145" y="86" width="100"
height="48" >
      <work name="Human Task" >
        <parameter name="ActorId" >
          <type
name="org.drools.process.core.datatype.impl.type.StringDataType" />
        </parameter>
        <parameter name="Comment" >
          <type
name="org.drools.process.core.datatype.impl.type.StringDataType" />
        </parameter>
        <parameter name="Content" >
          <type
name="org.drools.process.core.datatype.impl.type.StringDataType" />
        </parameter>
        <parameter name="Priority" >
          <type
name="org.drools.process.core.datatype.impl.type.StringDataType" />
        </parameter>
        <parameter name="Skippable" >
          <type
name="org.drools.process.core.datatype.impl.type.StringDataType" />
        </parameter>
        <parameter name="TaskName" >
          <type
name="org.drools.process.core.datatype.impl.type.StringDataType" />
        </parameter>
      </work>
    </humanTask>
    <actionNode id="12" name="Finish" x="494" y="254" width="80" height="48"
>
        <action type="expression" dialect="mvel"
>System.out.println("Finished!!!");</action>
    </actionNode>
  </nodes>

  <connections>
    <connection from="22" to="17" />
    <connection from="12" to="3" />
    <connection from="17" to="23" />
    <connection from="1" to="22" />
    <connection from="23" to="12" />
  </connections>

</process>


And test code:
        KnowledgeBuilder kbuilder =
KnowledgeBuilderFactory.newKnowledgeBuilder();
        kbuilder.add( new ClassPathResource(
"VariablePersistenceStrategyProcess.rf" ), ResourceType.DRF );
        kbuilder.add( new ClassPathResource( "myRules.drl" ),
ResourceType.DRL );
        
        for (KnowledgeBuilderError error: kbuilder.getErrors()) {
        	System.out.println(error);
        }
        KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
        kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );

        EntityManagerFactory emf =
			Persistence.createEntityManagerFactory("org.drools.persistence.jpa");
        Environment env = KnowledgeBaseFactory.newEnvironment();
        env.set(EnvironmentName.ENTITY_MANAGER_FACTORY, emf);

        StatefulKnowledgeSession ksession =
JPAKnowledgeService.newStatefulKnowledgeSession( kbase, null, env );
        int id = ksession.getId();

        System.out.println("### Starting process ###");
        WorkflowProcessInstance processInstance = (WorkflowProcessInstance)
        	ksession.startProcess( "org.plugtree.labs.droolsflow"
/*,parameters*/ );

        
        TestWorkItemHandler handler = TestWorkItemHandler.getInstance();
        WorkItem workItem = handler.getWorkItem();

        ksession = JPAKnowledgeService.loadStatefulKnowledgeSession( id,
kbase, null, env );
        processInstance = (WorkflowProcessInstance)
ksession.getProcessInstance( processInstance.getId() );

        ksession.getWorkItemManager().completeWorkItem( workItem.getId(),
null );
        workItem = handler.getWorkItem();

        ksession = JPAKnowledgeService.loadStatefulKnowledgeSession(id,
kbase, null, env);
	processInstance = (WorkflowProcessInstance)
ksession.getProcessInstance(processInstance.getId());
 
	System.out.println("### Completing second work item ###");
	ksession.getWorkItemManager().completeWorkItem(workItem.getId(), null);



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