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From "Francois JEANMOUGIN" <Francois.JEANMOU...@123multimedia.com>
Subject Strange OutOfMemory Error in TcpWorkerThread
Date Fri, 30 Jul 2004 07:59:42 GMT
Hi all, I have this strange error :
SEVERE: Caught exception (java.lang.OutOfMemoryError: unable to create new
native thread) executing org.apache.tomcat.util.net.TcpWorkerThread@1a04d30,
terminating thread

I use those parameters :

-verbose:gc -Xms756m -Xmx1024m -XX:+UseConcMarkSweepGC -XX:+UseParNewGC

And the ParNew before and after the error gives me :
Before : [ParNew 299307K->285970K(774080K), 0.0632930 secs]
After :  [ParNew 302226K->290481K(774080K), 0.0777970 secs]

So, there is a LOT of memory available. I probably have to change some Jvm
parameters. Note that the dev is out for holidays, so it will be difficult
for me to look for a memory leak somewhere. Note that if I give more memory
(say -Xms=1024m -Xmx=1536m, for example), the error arrives sooner. There are
800 connectors configured. I was also unable to increase the number of
tomcat5.CoyoteConnector threads.

Any help appreciated,

Fran├žois.



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