Re: JVM's perm size always increase after hot deploy to tomcat 5.0.28

[Rob Ross]

Yes, this is a well known problem with redeploying wars in Tomcat. We 
have to shutdown and restart the Tomcat server periodically after 
redeploying a number of times.

It's a memory leak.
On Apr 7, 2005, at 1:48 PM, Paulo Alvim wrote:
Hi,
We had a "war" file with about 30MB using JSP pre-compilation and hot 
deploy
as suggested in the Tomcat web-site. But after using the hot deploy a 
few
times we received "out of memory" messages - in the JVM permanent area
(perm).

After migrating to 1.5.0_02 - to get better JVM information - we could 
see
that the used perm size always increase until this max size, in "every
Tomcat app reloading" (even with exploded files and Ant 'touches'). We
always lost 7 to 15MB of the perm area in every reload process - and 
this
area is never collected...

Anyone could help us with more information here (maybe about TC class
loaders or perm area)?
Is there anyone with the same problem?
Thanks in advance!
Paulo Alvim
Powerlogic
Brazil
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Rob Ross, Senior Software Engineer
E! Networks
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