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From Román Valoria <>
Subject Re: java.lang.OutOfMemoryError: PermGen space
Date Thu, 20 Oct 2016 10:27:32 GMT
1. Bad memory settings or a java class having a memory leak.

2. The place to setup the values will depend if you run Tomcat as a Windows
Service, from the tomcat7.exe or from the startup.bat.

BTW, those are super outdated releases of OS, Java and Tomcat.

On Thu, Oct 20, 2016 at 6:00 PM, Moore, Jon, Vodafone UK <> wrote:

> I have a problem where our customers application server stops working
> intermittently and when we check the Tomcat logs we get the message "
> java.lang.OutOfMemoryError: PermGen space" but the Tomcat service is still
> running, and we have to restart the Tomcat service. I am a complete novice
> when it comes to Tomcat but am expected to resolve this issue as this
> server is part of the Avaya telephony solution.
> I have 2 questions please.
> 1 - What would be causing this.
> 2 - What are the default Java memory settings for Initial memory pool,
> maximum memory pool size and thread stack size when the fields are blank
> when you use the "Configure Tomcat" interface on Windows. I was wondering
> if changing one or more of these settings would help ?
> We are running Tomcat 6.0.26 on Windows Server 2008 R2 standard and JVM
> version is 1.6.0_20-b02
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