[jboss-user] [Performance Tuning] - Re: Need Help getting OOME.

Wolf-Dieter Fink do-not-reply at jboss.com
Tue Mar 19 06:14:04 EDT 2013

Wolf-Dieter Fink [https://community.jboss.org/people/wdfink] created the discussion

"Re: Need Help getting OOME."

To view the discussion, visit: https://community.jboss.org/message/803535#803535

Hello Abhijeet,

welcome to the forum.

Finding OOM will be a difficult thing. You might use a profiler or JVM tool to analyze the heap dump and find out what kind of objects are fill the heap and get not freed.
Often it is a Collection which hold unwanted references. A root cause will be (i.e.) to have a StatelessSessionBean which include a collection as instance- or static variable (which is not according to the spec btw)

If you see the problem periodically you might find the use-case and use a test environment with a profiler to see what objects are increased by-call.

good luck  ;)

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