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From "Brian" <>
Subject RE: Tomcat 6.0.29 using more and more RAM until it collapses?
Date Sat, 13 Nov 2010 01:13:48 GMT
Hi Mark, Chris, and all the gurus,

I haven't applied this change yet, but something good is happening: Right
now, my Tomcat installation is running fine! 
So given that I havent made any changes to my code, I guess my problem is
that sometimes when I stop my website, something goes wrong and not al the
resources get liberated. I had noticed some warnings about that indeed. So I
guess my problem was not the static/dynamic pages cache as I thought when
using the profiler, or they way the DBMS is handled, or any other issue in
my programming. As you said from the beginning, when you said that the 10MB
cache should not be a problem.
So now, given that right now the server is runnning fine, I guess I should
concentrate on the problem that sometimes happen when stopping my website. 

> -----Original Message-----
> From: Mark Thomas []
> Sent: Friday, November 12, 2010 02:19 PM
> To: Tomcat Users List
> Subject: Re: Tomcat 6.0.29 using more and more RAM until it collapses?
> On 12/11/2010 19:12, Brian wrote:
> > Oh, I think I found what you were asking, the "path to the GC root":
> >
> > org.apache.naming.resources.FileDirContext$FileResource
> > org.apache.naming.resources.CacheEntry
> > org.apache.naming.resources.CacheEntry[XXX]
> > org.apache.naming.resources.ResourceCache
> > org.apache.naming.resources.ProxyDirContext
> > etc
> > etc
> > etc
> OK, that is indeed Tomcat's static file cache. Given you only have two
WARs and
> the default cache size is 10MB per WAR I am struggling to see how this
could be
> causing an OOME.
> Anyway, the settings for this are on the Context element. The simplest way
> disable static file caching everywhere is to add the following to the
> element in CATALINA_BASE/conf/context.xml
> cachingAllowed="false"
> Mark
> ---------------------------------------------------------------------
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