java.lang.OutOfMemoryError: PermGen space

[boom123]

<Feb 26, 2013 2:47:13 PM MET> <Warning> <HTTP> <BEA-101162> <User defined listener org.springframework.web.context.ContextLoaderListe ner failed: java.lang.OutOfMemoryError: PermGen space.
java.lang.OutOfMemoryError: PermGen space

after auto-deploying the war in weblogic 10.3 server. Any thought why this happened? Very simple application...
Can I investigate the reason why this happened?


This is how the server is configured
JAVA_MEMORY : -Xms512m -Xmx512m -XX:PermSize=192m -XX:MaxPermSize=192m -XX:+UseParallelGC -XX:ParallelGCThreads=4 -XX:+UseParallelOldGC -XX:LargePageSizeInBytes=4m -XX:-BindGCTaskThreadsToCPUs

similar topic:
http://forum.springsource.org/showth...rmGen-space%29

Is there any way to prevent this?

[Marten Deinum]

Don't auto-deploy... There are several frameworks/solutions which are notorious for memory leaks/classloader locking (commons-logging and cglib being 2 of them).

[boom123]

Don't auto-deploy... There are several frameworks/solutions which are notorious for memory leaks/classloader locking (commons-logging and cglib being 2 of them).

Screenshot from 2013-03-03 17:28:14.jpg

class:org.apache.log4j.config.PropertySetter[2 classes] instance count: 216.000 size 80.XXXkB


I run Jprofiler to investigate the reason of this perm gen leak. I am new though to profiling apps, so can somebody give hos lights...
Are all these instances of log4j needed? and why all this memory consumption?

Thanks for your answers

[boom123]

Don't auto-deploy... There are several frameworks/solutions which are notorious for memory leaks/classloader locking (commons-logging and cglib being 2 of them).

If the application stops and the starts again? Should there be a problem with that or all the static classes are being removed from the classloader and this occurs only on auto-deploy?

[Marten Deinum]

The behavior you see only occurs at auto-deploy/hot-deploy. Stopping, deploying, starting should not lead to these issues.