[jboss-user] [JBoss jBPM] - Problem using expression language in a process definition (T

[sonicfab]

I'd like to use jBM's expression language so that a Timer can obtain its duedate parameter from the ContextInstance of the process. I've tried this :
<process-definition
  |   xmlns="urn:jbpm.org:jpdl-3.0"  name="com.bt.intfwk.businesslayer.jbpm.processes.timertest">
  |    <start-state name="start">
  |       <transition name="" to="TimerNode"></transition>
  |    </start-state>
  |    <node name="TimerNode">
  |    	<timer name="testTimer"
  |    		duedate="#{contextInstance.dueDate}" >
  |    	 <action class="com.bt.intfwk.testjbpm.TimedAction" />
  |    	</timer>
  |       <transition name="" to="end1"></transition>
  |    </node>
  |    <end-state name="end1"></end-state>
  | </process-definition>

and I get an error message telling me that my XML is not valid. I've also tried without the quotes around #{contextInstance.dueDate} and it doesn't work either.

Ideas please ?

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