[jboss-user] [jBPM] - Message Event (throw and catch problem)

[krishanps]

krishanps [http://community.jboss.org/people/krishanps] created the discussion

"Message Event (throw and catch problem)"

To view the discussion, visit: http://community.jboss.org/message/643239#643239

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Merry X-Mas, hope you all enjoyed also the holidays.


I have short question, when I use message event to throw and catch it doesn't 
work, I only get as a output "Sending message: MyValue". If I instead uses 
signal events in the way that I replace both times the line EventMessage.bpmn2 
it works properly.



 <messageEventDefinition messageRef="_8_Message"/> with the line  
<signalEventDefinition signalRef="_8_Message"/>


Can you please tell me what could be the problem and how I can fix it?
 
Thank you very much



My *.bpmn file:
 
 

    &lt;!-- Throw a message event --&gt;    &lt;intermediateThrowEvent id="_7" 
name="Script" &gt;      &lt;dataInput id="_7_Input" /&gt;      
&lt;dataInputAssociation&gt;            
&lt;sourceRef&gt;x&lt;/sourceRef&gt;            
&lt;targetRef&gt;_7_Input&lt;/targetRef&gt;      
&lt;/dataInputAssociation&gt;      &lt;inputSet&gt;            
&lt;dataInputRefs&gt;_7_Input&lt;/dataInputRefs&gt;      &lt;/inputSet&gt;      
&lt;messageEventDefinition messageRef="_8_Message"/&gt;    
&lt;/intermediateThrowEvent&gt;        &lt;!-- Catch a message event --&gt;     



 
 
My *.java file:
 

      public static final void main(String[] args) {            try 
{                  // load up the knowledge base                  KnowledgeBase 
kbase = readKnowledgeBase();                  StatefulKnowledgeSession ksession 
= kbase.newStatefulKnowledgeSession();                  KnowledgeRuntimeLogger 
logger = KnowledgeRuntimeLoggerFactory.newFileLogger(ksession, 
"test");                  
ksession.getWorkItemManager().registerWorkItemHandler("Human Task", new 
DoNothingWorkItemHandler());                  
ksession.getWorkItemManager().registerWorkItemHandler("Send Task", new 
SendTaskHandler());                  Map&lt;String, Object&gt; params = new 
HashMap&lt;String, Object&gt;();                  params.put("x", 
"MyValue");                  params.put("y", "OtherValue");                     
          // start a new process instance                  
ksession.startProcess("IntermediateCatchEvent", params);                        
            logger.close();            } catch (Throwable t) {                  
t.printStackTrace();            }      }      private static KnowledgeBase 
readKnowledgeBase() throws Exception {            KnowledgeBuilder kbuilder = 
KnowledgeBuilderFactory.newKnowledgeBuilder();            
kbuilder.add(ResourceFactory.newClassPathResource("EventMessage.bpmn2"), 
ResourceType.BPMN2);            return kbuilder.newKnowledgeBase();      }



If I instead replace the both times the line 


 <messageEventDefinition messageRef="_8_Message"/>


with the line  <signalEventDefinition signalRef="_8_Message"/>
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