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

Daniel Cullender do-not-reply at jboss.com
Mon May 24 03:37:27 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/544434#544434

Just an update on this : 

We have used profilers and every trick under the sun to determine what is happening. We have found that we may not actually have a deadlock at all, but the jvm slows down acutely and causes backlogs in our cache queues. (memory and all other external indicators look ok).

We have downgraded to java 6 update 14 (we were using the latest update 20) and it seems to be fine now. I will continue monitoring the situation, and when I am convinced that it is the latest update that caused the issue, I will take it up with Oracle. As I must stress now, this is only speculation.


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