On Tue, Feb 7, 2012 at 2:23 PM, argaldo <
argaldo@gmail.com> wrote:
> Hi,
>
> We're running an application that uses Drools + JBPM 5 + Drools
> integration our set-up can be seen as:
>
> Some rule fires and creates a JBPM process ( a fact gets inserted into
> drools using "kcontext.getKnowledgeRuntime().startProcess()" ), after a few
> nodes processed, the JBPM engine arrives to a node of type
> "businessRuleTask" which in turn tells drools to evaluate a group of rules (
> which at the moment consists on only one rule ).
>
> Well, the problem is that what we see is that everything runs ok before
> the businessRuleTask and at the moment when the rule group would be
> evaluated we could see that in drools the rule gets created, activated, but
> never fired.
>
> We did some debug and realized that the reason the rule group never got
> fired is because this check in RuleFlowGroupImpl.java ( method
> setActive(boolean) ):
>
> if ( this.list.isEmpty() ) {
> if ( this.autoDeactivate ) {
> // if the list of activations is empty and
> // auto-deactivate is on, deactivate this group
> WorkingMemoryAction action = new DeactivateCallback(
> this );
> this.workingMemory.queueWorkingMemoryAction( action );
> }
> }
>
>
> The problem is that at the moment when drools calls setActive() and
> performs the check, this.list is in fact empty and autoDeactivate is true by
> default ). Then drools enqueues a deactivation task afterwords, which
> deactivates the rule *before* even firing it.
>
> From now on, things get a little weirder, every subsequent invocation of
> the method setActive ( in response of bussinessRuleTask from our bussiness
> process ) runs ok as that list now is not empty ( has one rule ).
>
> Seems a race condition to me, but,..., Is there any way to deactivate
> autodeactivation by default? Are we doing something wrong? Bug report?
>
> Greets,
>
> --
> View this message in context:
http://drools.46999.n3.nabble.com/Rule-does-not-fire-when-JBPM-asks-to-do-so-in-BPMN-2-0-process-tp3723183p3723183.html
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