JProfiler is best in case of Tomcat. Shakeel. > > From: Oleg <[EMAIL PROTECTED]> > Date: 2005/02/19 Sat PM 06:15:10 EST > To: Tomcat Users List <tomcat-user@jakarta.apache.org> > Subject: Re: out of memory when there is plenty > > Hey guys, thanks for response. > Yes JVM is 1.4.2_06 > So it can be pretty much anything not just the memory, alright that > makes perfect sense, but creates a bigger problem, how do I find out > now whats wrong. Will memory profiling help? JProbe or Optimizeit I > think those are the only two I keep on hearing about. > > Thansk > Oleg > > > On Sat, 19 Feb 2005 08:38:34 -0600, Caldarale, Charles R > <[EMAIL PROTECTED]> wrote: > > > From: Oleg [mailto:[EMAIL PROTECTED] > > > Subject: out of memory when there is plenty > > > > > > My question is what can cause Tomcat to report out of memory error > > > when so much is still available. > > > > As has been discussed before on this mailing list, the OutOfMemory > > exception is somewhat of a catch-all. The JVM generates this exception not > > just for overflowing heap space, but also pretty much anytime limits > > imposed by the underlying OS are reached. These limits include such things > > as stack space, open files, and number of threads. > > > > You didn't mention the JVM version you're using (this is often critical), > > but a 1.4 and above JVM can run out of space in the Permanent Generation > > portion of the heap, even though there's plenty of room available in the > > other portions. This occurs more frequently in multiple classloader > > environments such as Tomcat, and, again, has been discussed in some detail > > on this mailing list. > > > > - Chuck > > > > THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY > > MATERIAL and is thus for use only by the intended recipient. If you > > received this in error, please contact the sender and delete the e-mail and > > its attachments from all computers. > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > >
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