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Dealing with “java.lang.OutOfMemoryError: PermGen space” error
In Catalina.out log, I am getting the below mentioned exception. Application is too slow. java.lang.OutOfMemoryError:PermGen space
What I need to do?
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what type of application, please describe properly – Harmeet Singh Aug 08 '12 at 05:37
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The applications deployed in tomcat are too slow – Venkatesh Aug 08 '12 at 05:42
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You are using more memory than you have. It is possible you have a memory leak. – Rosdi Kasim Aug 08 '12 at 05:42
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1Application too slow `->` profile application and improve performance – Andreas Dolk Aug 08 '12 at 05:46
1 Answers
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Try increasing the heap size.
Maybe this:
export CATALINA_OPTS="-Xms1024m -Xmx2048m"
and then use VisualVM to track memory usage:
http://docs.oracle.com/javase/6/docs/technotes/guides/visualvm/intro.html
Edmon
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