Error while starting Jboss server: Exception in thread "pool-6-thread-5" java.lang.OutOfMemoryError: PermGen space

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Add this VM argument when launching JBoss :

-XX:+HeapDumpOnOutOfMemoryError

This will generate a hprof file when JBoss encounters an OutOfMemoryError .

This file can be analyzed with tools like Eclipse MAT, and tell you which objects use the more memory.


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