[jboss-user] [Persistence, JBoss/CMP, Hibernate, Database] - Re: JBoss AS 4.2.2 Exception in thread

jaikiran do-not-reply at jboss.com
Sat Apr 12 11:08:24 EDT 2008

anonymous wrote : 2008-03-20 15:43:02,206 ERROR [STDERR] Caused by: java.lang.OutOfMemoryError: PermGen space 

You probably have to set the PermSize and MaxPermSize appropriately. See this for more details http://wiki.jboss.org/wiki/PermanentGeneration. 

Also, scan through the "Performance Tuning" forum http://www.jboss.com/index.html?module=bb&op=viewforum&f=121,  where PeterJ has some very good suggestions on the JVM memory settings. 

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