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Message-ID: <4B671E53.80605@christopherschultz.net>
Date: Mon, 01 Feb 2010 13:32:51 -0500
From: Christopher Schultz <chris@christopherschultz.net>
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To: Tomcat Users List <users@tomcat.apache.org>
Subject: Re: Getting a heap dump on OOME from Tomcat-as-a-service on Windows?
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Laird,

On 1/31/2010 10:44 AM, Laird Nelson wrote:
> I have Tomcat 6 running as a service on Windows 2003.
> 
> I go to the Tomcat service monitor, choose configure, choose the Java tab,
> and add:
> 
> -XX:+HeapDumpOnOutOfMemoryError
> 
> ...as one of the Java options.
> 
> When the OutOfMemoryError that I'm concerned about hits, I look around on
> the disk to find an .hprof file.  I searched the entire computer; no such
> file is found.

Have you tried the -XX:HeapDumpPath option as well?

I suspect that your service doesn't have privileges to write to the cwd
of the java process, so it doesn't write to the file. I don't know much
about windows privs, but I suspect that writing to %TEMP% will work,
though I have no idea where %TEMP% points for service runners.

- -chris
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