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From Aman Nanner/MxI Technologies <>
Subject Re: java out of swap space error
Date Thu, 01 Mar 2007 20:26:58 GMT
I just started seeing this error today pretty consistently on my Geronimo
instance as well.  There are some Sun bug reports that describe this issue,
but I have not found any definitive cause yet.  The HotSpot compiler seems
to have some trouble allocating a chunk of space during bytecode
compilation.  I've seen a suggestion that HotSpot can be disabled with the
-Xint property which would force it to run in interpreted mode, although
there would be a performance hit with this.

The size of the heap on my own server was not overly large when I got this
error, so it's kind of strange.  Right now I'm working on trying to fix
this issue, so if I find anything out, I can let you know.

Similarly, if you manage to solve this issue, let me know.  :-)

theo burry <> wrote on 03-01-2007 03:20:31 PM:

> Hi,
> I am getting the following error in the geronimo logs for my webapp:
> Exception in thread "CompilerThread1" java.lang.OutOfMemoryError:
> requested 32764 bytes for ChunkPool::allocate. Out of swap space?
> I did some research and added the following java_opts in
> JAVA_OPTS='-Xms512m -Xmx512m -Xss128k -XX:PermSize=128m
> This virtually eliminated the problem but I am still seeing it
> occasionally.  Do I just need to tweak these memory settings or is
> there something else going on?  I don't get this error during
> periods of particularly high usage so it is a little puzzling.  I'm
> running geronimo 1.1.1 with jetty, java 1.5.0 on freebsd 4.
> Thanks,
> Theo
>  Bored stiff? Loosen up...
> Download and play hundreds of games for free on Yahoo! Games.

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