> From: Darryl Pentz [mailto:djpe...@yahoo.com] 
> Subject: Re: Tracking down OOM - PermGen using jmap and jhat
> 
> I tried using JConsole's GC button, but 
> clearly this didn't do the trick.

Did clicking the button run a major GC (aka PS MarkSweep)?

Are any classes at all being unloaded?  (Look at the Classes tab in JConsole.)

> -XX:MaxPermSize=128m

That's actually not very big.

> So the issue right now is a plan of attack to properly unload 
> classes in order to expose the likely culprit.

The culprit is what's keeping the classes from being unloaded.

Here's a short tutorial you might want to look at:
http://java.sun.com/javase/6/webnotes/trouble/TSG-VM/html/memleaks.html

 - Chuck


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