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From Konstantin Kolinko <>
Subject Re: WebappClassLoader weak/soft reachable
Date Tue, 06 Nov 2012 19:59:20 GMT
2012/11/6 Christopher Schultz <>:
> On 11/6/12 10:37 AM, Konstantin Kolinko wrote:
>> 2012/11/6 Christopher Schultz <>:
>> 2) I know of a bug in JVM when a certain kind of leak goes
>> undetected. I mean the leak through a shared Exception instance
>> and its native stacktrace. See
>> (Linked
>> from
> I don't create any of my own Exception objects that get shared. Could
> this be something introduced by Tomcat itself, or more likely some
> dependent library of mine?
> Since I can't readily trace the WebappClassLoader to its GC roots, do
> you have any suggestions for identifying the specific cause in my case?

IIRC, I found that issue by looking for Exception objects that were
present in the memory. I was using Eclipse MAT.  IIRC I filtered the
living objects by their class name.

Best regards,
Konstantin Kolinko

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