davesomebody [http://community.jboss.org/people/davesomebody] created the 
discussion

"Re: jBPM5 Restarts and Asynchronous Work Items"

To view the discussion, visit: http://community.jboss.org/message/606423#606423

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Thanks for your feedback.  I've actually had lots of experience in this now.  I 
did a lot of experimenting and learned some things.  Some of these things are 
probably obsolete with JBPM 5.1.  I see that a threading issue was solved 
yesterday.

Anyway, I was experiencing thread deadlocks when running lots of processes in 
the same knowledge session in lots of threads simultaneously.

So what I created a pool of knoweldge sessions.  I created thin wrappers for 
the work item handlers so I could pass into the work item which session an 
asynchronous work item came from.  When a work item is complete I grab the 
session from the pool, grab the work item manager and complete it.

I think the upcoming release will make the knowledge session pool obsolete.
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