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Subject: RE: OOM in PermGen space after several deploy/undeploy
Date: Tue, 1 Apr 2008 11:14:09 -0500
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 <2828B04F0113CD468E6D1D51DF4362A405849361@USEA-EXCH2.na.uis.unisys.com>
In-Reply-To: <47F25893.5030607@hmcrecord.ch>
Thread-Topic: OOM in PermGen space after several deploy/undeploy
Thread-Index: AciUD/GUZ3LyVtdcQhmG/y2WihU4CwAAxWag
References: <47F25893.5030607@hmcrecord.ch>
From: "Caldarale, Charles R" <Chuck.Caldarale@unisys.com>
To: "Tomcat Users List" <users@tomcat.apache.org>

> From: Piller S=E9bastien [mailto:pills@hmcrecord.ch]=20
> Subject: OOM in PermGen space after several deploy/undeploy
>=20
> Is this corrected in a later version of Tomcat?

No, because it's not a Tomcat problem.

> Does anybody know how to avoid this?

Fix your webapp to not hang on to useless references.  Note that this =
may well be a problem in the libraries you're using as opposed to your =
own code.  Run a heap profiler and find out who's holding references to =
things they shouldn't.

 - Chuck


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