> From: Sjoerd Brandsma [mailto:[email protected]]
> I'm running the following configuration:
> Apache Tomcat/6.0.20 1.6.0_21-b07 Sun
> Inside Tomcat i've got the following applications:
> Geoserver 2.0.snapshot
> Deegree-WFS 2.4
>
> This runs 'ok'. Once in a while it stops with the PermGen
> space message.
Then you need more permgen space, and need to increase it. If you
increase it to a larger value, and run all the services you installed
you can check the permgen usage.
Open a command line and run the following:
* Find the java process id:
jps -v
* Inspect the JVM's memory usage:
jmap -heap [process id]
It should give a lot of stats including:
[...]
Perm Generation:
capacity = 163577856 (156.0MB)
used = 98802936 (94.22582244873047MB)
free = 64774920 (61.77417755126953MB)
60.401168236365685% used
Adjust configuration as appropriate.
>
> As soon as I install an additional Geoserver instance
> (2.1.snapshot), Tomcat will not start anymore and the log
> tells me that on every load attempt of libraries etc, it gets
> a PermGen space OO message.
>
>
> I've put this in catalina.bat:
> rem Execute Java with the applicable properties
> set JAVA_OPTS=%JAVA_OPTS% -XX:+CMSClassUnloadingEnabled
> -XX:+CMSPermGenSweepingEnabled -XX:+UseConcMarkSweepGC
> -XX:PermSize=128m -XX:MaxPermSize=512m
>
> When I put those values in the Tomcat windows properties
> manager (under the Java tab, Java options) then tomcat wil
> not start at all..
Probably a java misconfiguration. Running catalina.bat from the
commandline will probably print the message. You probably need to
increase the total memory available -Xmx1500m or so as you use a lot of
the memory for permgen.
Fredrik Holmqvist
METRIA
www.metria.se
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