Marian Buzdugan [http://community.jboss.org/people/mbuzdugan] created the 
discussion

"Re: Does jBPM support clustering for load balancing?"

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Maciej

Wanted to add another thing that you might want to address and also let other 
know. Perhaps it will also help you with the Quartz work that you are 
experimenting.

If you are scheduling the task with Quartz for example using a global 
scheduler, that means is persisted, the scheduling would be done in a different 
transaction. 
This is because in *TaskServiceSession::addTask()* the persistence of task data 
is done in one transaction - *doOperationInTransaction()*, and the scheduling 
is done afterwards. So, if the scheduling fails from some reason the task won't 
be scheduled anymore as it isn't possible to rollback the persistence of task 
data.

There are a couple of alternatives in short term and conceivably in long term 
(which is what I consider).
In long term perhaps this can be addressed inside of the TaskServiceSession 
(for example by allowing custom persistence activites be included as needed - 
with diligence of course).

Regards
Marian B
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