Hi Steve, Also, a good tool for monitoring Tomcat is Lamda Probe
http://www.lambdaprobe.org/d/index.htm Regards, Ovidiu On Tue, Feb 3, 2009 at 9:31 AM, Steve Cohen <sco...@javactivity.org> wrote: > We have an application that runs under Tomcat under RHEL 5.0 and is > launched by a jsvc daemon. > It chugs along seemingly fine on several servers, yet yesterday crashed on > one of them with the above exception seemingly without experiencing any kind > of abnormal load. I am trying to get a handle on this. > System is > > $ uname -a > Linux 2.6.18-92.1.22.el5 #1 SMP Fri Dec 5 09:29:46 EST 2008 i686 i686 i386 > GNU/Linux > > Java version: > java -version > java version "1.5.0_16" > Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_16-b02) > Java HotSpot(TM) Client VM (build 1.5.0_16-b02, mixed mode, sharing) > > no special JVM memory settings are used when launching tomcat, just the > default memory allocations. I have read in some places that this particular > form of OutOfMemoryError is actually made worse by increasing the memory > size. > > I need to deploy some thread and memory monitoring setup to get a handle on > this. > > Can someone suggest a path forward here? > > Thanks. > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > > -- ovidiu asiminei