I have a simple example usage of the ProcessState node, where a parent process
contains a reference to a child process via a ProcessState node. The process
definitions are stored in a relational database.
The child process actually executes successfully (I have a single node with an
ActionHandler that prints the node name to System.out).
However, I receive a NullPointerException in the ProcessState.leave() method -
the executionContext.getSubProcessInstance() method call (first line in the
method) returns null, and the next line then attempts to invoke a method on
this null reference.
I see from the debugger that the executionContext object in the
ProcessState.execute() method is different from the executionObject I later see
in the ProcessState.leave() method - though in both methods the
subProcessInstance member of the executionContext object is null.
Here are my two process definitions:
<process-definition
xmlns="" name="parent">
<start-state name="start">
</start-state>
<end-state name="end1"></end-state>
<process-state name="process1">
<sub-process name="child"/>
</process-state>
</process-definition>
<process-definition
xmlns="" name="child">
<start-state name="start">
</start-state>
<end-state name="end1"></end-state>
<action name="action" config-type="bean" class="SysoutActionHandler">
</process-definition>
Any ideas? Given my limited analysis of the ProcessState.java code and related
classes, I do not see how this can actually work - am I seeing a bug?
Thanks
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