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Interned strings compete in the PermGen space....... [message #5715]

Tue, 21 October 2008 03:32

Nirmal Kumar
Messages: 8
Registered: July 2009

Junior Member

The String objects that are interned also go into the PermGen space.

Is there any tool in JDK 1.5 (beside jconsole) or any Profiling tool to
see these interned Strings?

I m using Eclipse MAT to analyze heap dumps but I also want to see how
many interned Strings are there in the PermGen space as i am getting
OutOfMemory:PermGen space error in my application.

Any help...

Thanks & Regards
Nirmal

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Re: Interned strings compete in the PermGen space....... [message #5784 is a reply to message #5715]

Tue, 21 October 2008 10:11

Krum Tsvetkov
Messages: 139
Registered: July 2009

Senior Member

> The String objects that are interned also go into the PermGen space.

> Is there any tool in JDK 1.5 (beside jconsole) or any Profiling tool to
> see these interned Strings?

> I m using Eclipse MAT to analyze heap dumps but I also want to see how
> many interned Strings are there in the PermGen space as i am getting
> OutOfMemory:PermGen space error in my application.

The Memory Analyzer is not able to give you this info. Unfortunately I
don't know any tool which is able to show you this info. So, may be there
is one, but I don't know about it.

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