[jboss-user] [JBoss jBPM] - JbpmException: couldn't delete timers for process instance
I have a very straightforward jBPM prototype where I am using hibernate,and tomcat abd SQL
Server database.
I get this error sometimes on the second invocation of the same ActionHandler within a
graph. I'm just prototyping now. My action handler just makes an update to a text
field in the database depending on the object that is passed into the aciton handler.
I'm reading about timers and right now I am not using a timer in the prototype.
I'd almost like to disable them or do something within the action handler to make sure
they are not causing this exception do I can continue with the developmetn of my
prototype.
The exception comes after the third processInstance.signal() that would take the process
to transition to the thrird node in the graph (counting the start node).
The graph is below:
public static ProcessDefinition getTaskProcessDefinition() {
JbpmConfiguration jbpmConfiguration = null;
ProcessDefinition processDefinition = null;
try{
processDefinition =
ProcessDefinition.parseXmlString("<process-definition
name='processManualTask'>"
+ " <start-state name='start'>"
+ " "
+ " </start-state>"
+ " "
+ " "
+ " "
+ " "
+ " "
+ " "
+ " "
+ " "
+ " "
+ " "
+ " "
+ " "
+ " "
+ " "
+ " "
+ " <end-state name='End' />"
+ "</process-definition>");
} catch(Exception e) {e.printStackTrace();
}
try{
HttpSession sess = FrameworkServices.instance().getSession();
JbpmContext jbpmContext = (JbpmContext) sess.getAttribute("jbpmctx");
if (jbpmContext == null) {
jbpmConfiguration = JbpmConfiguration.getInstance();
jbpmContext = jbpmConfiguration.createJbpmContext();
sess.setAttribute("jbpmctx", jbpmContext);
}
System.out.println("saving process instance");
ProcessDefinition definition = processDefinition.createNewProcessDefinition();
ProcessInstance processInstance = definition.createProcessInstance();
jbpmContext.save(processInstance);
Session session = (Session) sess.getAttribute("hibsess");
session.flush();
System.out.println("process instance saved!!!!");
}catch(Exception e) {e.printStackTrace();
}
return processDefinition;
}
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