The only time I've encountered PermGen problems was when iText was
leaking resources in a native library, the zip library IIRC. I believe
that's the bug fix Bruno is talking about. And calling gc() won't help
at all. As I understand it PermGen is space used by the JVM directly...
for things like class files and memory for native libraries. The JVM
heap/stack are an entirely different section of memory... and that is
was gc() works on.
--Mark Storer
Senior Software Engineer
Cardiff.com
import legalese.Disclaimer;
Disclaimer<Cardiff> DisCard = null;
________________________________
From: Michael E Sweeney [mailto:[email protected]]
Sent: Wednesday, December 15, 2010 2:49 PM
To: [email protected]
Subject: [iText-questions] MemoryTests.java
Bruno -
I've read "you shouldn't System.gc(). JVM knows better than you
when to gc()".
But I did change my servlet to g2.draw() each BufferedImage
after its made, then re-use the reference (rather than collecting them
in a list).
The PermGen memory leak has me worried though. iText-2.1.5.jar
classes are suspected of holding static references that can't be gc'd.
Appreciate feedback.
Thanks.
Mike Sweeney
USGS Web Developer
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