Solaris JVM never seems to garbage collect, runs out eventually.

[David Hladky <dh...@oration.net>]

This may be a bit beyond the scope here but, We are running a J2EE 
system with Jakarta/Tomcat 3.2.1 and JBOSS 2.2
on Solaris.  It uses the AJP13 connection protocol to connect to an 
Apache webserver and is load balanced between two
J2EE servers.  What seems to happen is that after a period of time 
running it continually ramps up the amount of memory used and never 
seems to return it. We are giving Tomcat 256MB of memory to start out 
with and 128MB to JBOSS.  The machine itself has 512MB. After about 3 
days or so of heavy use the system will run out of memory and Solaris 
will orphan the offending process.  We have very little experience 
tuning Solaris JVM's.  I use SGI myself so I am a little preplexed by 
this one.  Could someone with experience tuning Solaris JVMs give me and 
my friends a hint or two on how to force the JVM to garbage 
collect/tune.  Or is this just a memory leak in Tomcat and or JBOSS?

Thanks Dave Hladky


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