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From Christopher Schultz <>
Subject Re: [OT] Tomcat on Linux
Date Thu, 16 Sep 2010 16:45:23 GMT
Hash: SHA1


On 9/16/2010 11:48 AM, Nicholas Sushkin wrote:
> On Thursday, September 16, 2010 11:14:27 Christopher Schultz wrote:
>> Actually, we do a full JVM shutdown and restart whenever we do
>> deployments. This happens every 6 months or so, so I can't actually
>> claim that Tomcat has been running for years. If we never updated our
>> webapps, I'm sure it would run for years, too. In fact, if we did a
>> REDEPLOY instead of a JVM bounce, I'm sure it would run for years.
> Well, Tomcat has been known to leak memory on REDEPLOY. That's why I asked.
> I have to restart JVM on redeploy, just in case. Maybe it'll be better in 7 
> and as libraries fix bugs.

I have never had trouble with Tomcat leaking any memory no redeploy. Can
you provide evidence that Tomcat leaks memory on redeploy? Whenever a
leak is detected on redeploy, it has almost always been the fault of the
webapp itself: usually not being careful to release resources that
prevent the WebappClassLoader, and therefore all the Class objects, from
being released.

- -chris
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