createTaskInstance() nullpointer exception

[ajanz]

i try to dynamically create a taskinstance

but calling
TaskInstance ti = pi.getTaskMgmtInstance().createTaskInstance()

gives the following null pointer exception

java.lang.NullPointerException
at org.jbpm.taskmgmt.exe.TaskMgmtInstance.createTaskInstance(TaskMgmtInstance.java:113)
at org.jbpm.taskmgmt.exe.TaskMgmtInstance.createTaskInstance(TaskMgmtInstance.java:83)
at com.workflow.manager.AddTaskCommand.execute(AddTaskCommand.java:55)

[kukeltje]

let me guess..... something is null... am I correct?

[ajanz]

yes of course.

but Pi and TaskMgmtInstance is not null

the process definition is

<?xml version="1.0" encoding="UTF-8"?>
<process-definition xmlns="urn:jbpm.org:jpdl-3.2" name="ad-hoc">
 <start-state name="Start">
 <transition to="in Bearbeitung" name="beginnen"></transition>
 </start-state>
 <task-node name="in Bearbeitung" signal="never">
 <transition to="Ende" name="beenden" ></transition>
 <transition to="in Bearbeitung" name="nicht zuständig, weitergeleitet"></transition>
 <transition to="in Bearbeitung" name="beantwortet"></transition>
 <transition to="in Bearbeitung" name="nicht zuständig, zurück an Initiator"></transition>
 </task-node>
 <end-state name="Ende"></end-state>

</process-definition>

the process is signaled to node "in Bearbeitung"

and the a task should be created.

[kukeltje]

PLEASE make a unittest that demonstrates the problem. I think I mentioned this before very recently (like yesterday) in a related post by you : http://www.jboss.com/index.html?module=bb&op=viewtopic&t=143437

So that leaves no guessing on our side... less delay on your side etc...etc...etc...