[jboss-user] [EJB 3.0] - Possible Deadlock Jboss 4.2.3

Daniel Cullender do-not-reply at jboss.com
Thu May 27 06:28:27 EDT 2010

Daniel Cullender [http://community.jboss.org/people/cullendw] replied to the discussion

"Possible Deadlock Jboss 4.2.3"

To view the discussion, visit: http://community.jboss.org/message/545044#545044

It looks like we did not have a deadlock at all, but rather a bottleneck. Using JBoss Profiler  ( http://www.jboss.org/jbossprofiler http://www.jboss.org/jbossprofiler) we determined that a bottleneck caused a backlog and since we use Semaphores to enable FIFO processing of messages, the locked threads built up causing the appearance of a deadlock.


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