Mailing-List: contact dev-help@tomcat.apache.org; run by ezmlm
Precedence: bulk
Reply-To: "Tomcat Developers List" <dev@tomcat.apache.org>
Received-SPF: pass (asf.osuosl.org: domain of jfclere@gmail.com designates
 66.249.92.174 as permitted sender)
DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws;
        s=beta; d=gmail.com;
        h=received:message-id:date:from:user-agent:x-accept-language:mime-version:to:subject:references:in-reply-to:content-type:content-transfer-encoding;
        b=R5rGBu8wDnykS3ZfK8kFzcqlRTh3aBsibqkLfhHolbrAYFbVacfmpYMGDuc7FctIhlMUV6aVRnrX7TMqeIEC9uVj1bQsKQlhX88eDSNP55qI72ijsKLTyl+HQ7nKua2Lf6UeXOuZQnh5ZG/QQgQgfOplTPeIUG/icX4O0pgBZOA=
Message-ID: <4459BF49.8000304@gmail.com>
Date: Thu, 04 May 2006 10:46:01 +0200
From: Jean-frederic Clere <jfclere@gmail.com>
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US;
 rv:1.7.12) Gecko/20060205 Debian/1.7.12-1.1
MIME-Version: 1.0
To: Tomcat Developers List <dev@tomcat.apache.org>
Subject: Re: Memory leak? (issues.apache.org)
References: <20060504020349.I396@zeus.atlassian.com>
In-Reply-To: <20060504020349.I396@zeus.atlassian.com>
Content-Type: text/plain; charset=us-ascii; format=flowed
Content-Transfer-Encoding: 7bit

Jeff Turner wrote:

>Hi,
>
>For the last few months, issues.apache.org/jira has been running out of
>memory about once a week. We've finally got it running in a profiler, and
>are seeing most of the memory (eg. 486 of 572Mb) used up by char[]
>buffers in BodyContentImpl. Here is a sample GC Root -> Object trace:
>
> char[16777218]
> cb of  org.apache.jasper.runtime.BodyContentImpl
> [0] of  org.apache.jasper.runtime.BodyContentImpl[7]
> outs of  org.apache.jasper.runtime.PageContextImpl
> [86] of  java.lang.Object[101]
> pool of  org.apache.jasper.util.SimplePool
> pool of  org.apache.jasper.runtime.JspFactoryImpl
> deflt of  javax.servlet.jsp.JspFactory
> [57] of  java.lang.Object[641]
> elementData of  java.util.Vector
> classes of  org.apache.catalina.loader.StandardClassLoader [Other]
>
>
>There seems to be a constantly increasing number of BodyContentImpl
>objects in the system:
>
>1 May:  93 Objects (126Mb)
>2 May:  107 Objects (263Mb)
>3 May:  492 Objects (486MB)
>
>(the first two were taken directly after a full gc)
>
>
>It appears to be a case of this bug:
>
>http://issues.apache.org/bugzilla/show_bug.cgi?id=37793
>
>Perhaps this bug affects the ASF JIRA in particular (and not most people)
>because people occasionally request huge (20-30Mb) pages. There are 23
>BodyContentImpls between 33Mb and 10Mb in the last dump, and due to the
>pooling, these all stick around taking up memory.
>
>Could anyone comment on this issue? Remy seemed to think it was 'as
>intended', and the bug is marked WONTFIX. I'm happy to provide yourkit
>memory dumps or access to the server if necessary. We're currently
>running 5.5.16.
>  
>
Have you try to set org.apache.jasper.runtime.JspFactoryImpl.USE_POOL to 
false?
(adding -Dorg.apache.jasper.runtime.JspFactoryImpl.USE_POOL=false to 
CATALINA_OPTS environment variable).

Cheers

Jean-Frederic

>
>Thanks!
>
>Jeff
>
>---------------------------------------------------------------------
>To unsubscribe, e-mail: dev-unsubscribe@tomcat.apache.org
>For additional commands, e-mail: dev-help@tomcat.apache.org
>
>
>  
>


---------------------------------------------------------------------
To unsubscribe, e-mail: dev-unsubscribe@tomcat.apache.org
For additional commands, e-mail: dev-help@tomcat.apache.org