[jboss-user] [Clustering/JBoss] - Hanging on to RMI threads

endolf do-not-reply at jboss.com
Tue Nov 28 10:14:32 EST 2006


Tried this on an empty 4.0.2 and a 4.0.5.GA setup, also tried jgroups 2.4.0.GA in the 4.0.5.GA containers.

We are tracking down an infrequent OutOfMemoryExceptionon our JBoss app servers (It occurs every few months, we have 2 gig in each machine, so it's a slow leak, but does eventually cause an issue). We are running in a multi tiered, clustered environment. We have multiple versions of our software deployed at a time, so we have isolated class loading enabled. In 4.0.5.GA we tried CallByValue to true, and in 4.0.2 we tried it set to false.

I tried setting up empty containers, clustered in their own partition so as not to conflict with out existing containers. I get the netbeans profiler installed and after a weekends uptime found ~350 RMI ConnectionExpiration and RMI TCP Connection threads.

The fact that this is in an empty JBoss container suggests it's not our code. I've tried hunting google and JIRA but can't seem to find anyone else referencing similar issues. It should be easy to reproduce.

We have tried JDK 1.5.0_03 and 1.5.0_09. This is all running on linux.


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