Hi,
My application uses a JBPM business process and I need to assign tasks on
runtime. To do this I made a Seam component and I call it in the swimlane
assignment expression.
To be more precise, the task is defined as following :
<task-node name="validation">
| <task swimlane="valideurs"></task>
| <transition to="acceptation" name="ok"></transition>
| <transition to="refus" name="nok"></transition>
| </task-node>
And the swimlane is defined as following :
<swimlane name="valideurs">
| <assignment
expression="#{assignmentHandler.assignByRole('USAGE')}"></assignment>
| </swimlane>
The assignByRole method of my assignmentHandler component returns String[] (not
sure it is correct, but I could not find any example).
But when I create a process instance, I have the following error :
11:55:04,241 ERROR [STDERR] Caused by:
org.jbpm.identity.assignment.ExpressionAssignmentException: couldn't resolve
assignment expression '#{assignmentHandler.assignByRole('USAGE')}'
| 11:55:04,241 ERROR [STDERR] at
org.jbpm.identity.assignment.ExpressionAssignmentHandler.assign(ExpressionAssignmentHandler.java:97)
| 11:55:04,241 ERROR [STDERR] at
org.jboss.seam.bpm.SeamUserCodeInterceptor$2.process(SeamUserCodeInterceptor.java:102)
| 11:55:04,241 ERROR [STDERR] at
org.jboss.seam.bpm.SeamUserCodeInterceptor$ContextualCall.run(SeamUserCodeInterceptor.java:33)
| 11:55:04,241 ERROR [STDERR] at
org.jboss.seam.bpm.SeamUserCodeInterceptor.executeAssignment(SeamUserCodeInterceptor.java:96)
| 11:55:04,241 ERROR [STDERR] at
org.jbpm.taskmgmt.exe.TaskMgmtInstance.performAssignmentDelegation(TaskMgmtInstance.java:226)
| 11:55:04,241 ERROR [STDERR] at
org.jbpm.taskmgmt.exe.TaskMgmtInstance.performAssignment(TaskMgmtInstance.java:201)
| 11:55:04,241 ERROR [STDERR] ... 171 more
| 11:55:04,241 ERROR [STDERR] Caused by:
org.jbpm.identity.assignment.ExpressionAssignmentException: couldn't interpret
first term in expression '#{assignmentHandler.assignByRole('USAGE')}'
| 11:55:04,241 ERROR [STDERR] at
org.jbpm.identity.assignment.ExpressionAssignmentHandler.resolveFirstTerm(ExpressionAssignmentHandler.java:155)
| 11:55:04,241 ERROR [STDERR] at
org.jbpm.identity.assignment.ExpressionAssignmentHandler.assign(ExpressionAssignmentHandler.java:75)
| 11:55:04,241 ERROR [STDERR] ... 176 more
So it looks like you can not use EL expressions in swimlane assignment ...
Anyone has an idea how I should do this ?
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