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From JNeuhoff <>
Subject Re: Apache mod_jk memory leak?
Date Fri, 19 Jan 2007 17:16:59 GMT

Hello Chris,

> Check to see if these sessions ever go away. There is a bug in TC 5.5 up
> to and including 5.5.20 (could be 5.0 as well, I'm not sure) where
> sessions can live forever under load. If you are load testing to check
> out the memory usage, you might be triggering this bug where sessions
> are not expired.
> (

Our http sessions work fine with Tomcat 5.5.17. Both the Tomcat manager and
my own session listener which I wrote to keep track of the sessions confirm
that all sessions time out after 15 minutes which is the value I set them to
timeout in the web.xml of our servlet. So no, this particular bug seems to
be fixed.

Juergen Neuhoff

PS.: To Rainer Jung: 

Shall I put the problem with the mod_jk connection problems as a bug entry
into bugzilla? Our web service clearly has gone into an unrecoverable state
after just 2 users hit our webservice for just one minute with a rapid
successions of keyborad hits in their respective web browsers! I still
haven't re-booted it in case more information is needed.

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