Hi,

 

We have deployed ULC application on Oracle J2EE AS. Application after two or
three days

crashes with error message  "OutOfMemory Error" nevertheless heap contains
200 or 300 Mb free memory.

 

After testing and monitoring (also with help ULCLoad scripts) we discovered,
that problem

causes  size permanent generation  memory region. It hade size 256MB.

We enlarged size this region to 350 MB (MaxPermSize parameter).

Then application crashes after four days.

By our opinion, JVM does not free this memory region. It is still enlarging.

 

Have you some ideas, how this problem solve?

 

We use ULC 6.04 , JDK 1.4. on Windows NT Oracle AS.

 

Thanks for advice

 

            Levcik Anton

            CIS  s.r.o. Bratislava,

            Slovakia

   

 

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