[jboss-user] [JBoss jBPM] - struggling getting to grips with jbpm

[mmusaji]

Hi, I'm hoping someone can point me in the right direction. I have a number of problems with Jbpm but they are probably all related to the fact that I need to learn a lot more about it.

But I have come to a stop when it comes to implementing a workflow with a fork in it. I'm using JBPM 4.0. When I attempt to run my test class I get an SQL exception.

This is the code I am using to test my workflow.

        
  |         deploymentId = repositoryService.createDeployment()
  |         .addResourceFromClasspath("process.jpdl.xml").deploy();
  |         
  |         ProcessInstance processInstance = executionService.startProcessInstanceByKey("process");
  |         String processInstanceId = processInstance.getId();
  | 

My work flow looks something like this. I've simplified it but I'm pretty sure I'm doing something pretty basic wrong here.


  | <process name="process" xmlns="http://jbpm.org/4.0/jpdl">
  |    <start>
  |       <transition to="first transition" name=""/>
  |    </start>
  |    
  |    <java class="org.companyname.class.AClass" method="execute" name="first transition">
  |      <transition name="" to="fork"/>
  |    </java>
  |      
  |    <fork name="fork">
  |       <transition name="" to="start a process" />
  |       <transition name="" to="start second process" />
  |    </fork>
  |    
  |    <java class="org.companyname.class.BClass" method="execute" name="start a process">
  |      <transition name="" to="join"/
  |    </java>
  | 
  |    <java class="org.companyname.class.BClass" method="execute" name="start second process">
  |      <transition name="" to="join"/
  |    </java>
  |    
  |    <join name="join">
  |       <transition name="" to="process joined"/>
  |    </join>
  |    
  |    <java class="org.companyname.class.CClass" method="execute" name="process joined">
  |      <transition name="" to="end"/
  |    </java>
  |    
  |    <end name="end"/>
  |    </process>
  | 

The exception I'm getting is this 
16:55:02,332 WRN | [JDBCExceptionReporter] SQL Error: 1062, SQLState: 23000
  | 16:55:02,332 SEV | [JDBCExceptionReporter] Duplicate entry 'fraud.70.' for key 2

If anyone can provide me with any sort of guidance then it would much appreciated. As you can probably tell I'm on a steep learning curve with Jboss and JBPM.

Regards
M



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