Hi Matthew and co., have you tried to examine tomcat -behaviour with a profiler? I tried with OptimizeIt, and it seems to me that the Garbage Collector doesn't free memory that is reserved for sessions. I mean that session itself ends ok, but the gc just won't free the memory.
Does anyone else have noticed something similar? My system: Windows 2000 JDK 1.4.0 Tomcat 4.0 -- Jari Ik�valko -- On Wed, 1 May 2002, Matthew Boeckman wrote: > Are you running java 1.3 or 1.4 ? We're really trying to nail this down. > We've had the Xms and Xmx options in place now for some time, and the > java proc just grows right past Xmx, up to nearly full system memory, > then tomcat dies. > > I'm ready to hear any suggestions, but I want to try to narrow the scope > somewhat. > > Laurent F�ral-Pierssens wrote: > > Hi Matthew, > > > > I have been experiencing the same problems but with T3.2.x. > > > > You should try to use Tomcat options -Xms and -Xmx > > > > I added those 2 lines: > > > > TOMCAT_OPTS="-server -Xms256m -Xmx256m -Xincgc" > > export TOMCAT_OPTS > > > > in my /etc/init.d/tomcat script > > > > This increase the default heap size of the JVM to 256Meg (from 64Meg) > > and make sure incremental Garbage collection is done. Since I changed > > those, I have no more OutOfMemory errors. > > > > Hope it helps, > > Laurent > > > > > > > > > > -----Original Message----- > > From: Matthew Boeckman [mailto:[EMAIL PROTECTED]] > > Sent: May 1, 2002 12:08 PM > > To: [EMAIL PROTECTED] > > Subject: OutofMemoryError > > > > > > Hello List. > > > > I'm running tomcat 3.1.1 on RH7.1, kernel 2.4.9-31 with JDK1.3.1, mysql > > 3.23.43 > > I am occasionally seeing tomcat go postal with the following errors: > > Exception in thread "CompileThread0" java.lang.OutOfMemoryError: > > requested 32760 bytes > > > > > > **************** > > Another exception has been detected while we were handling last error. > > No information available. Please check ERROR REPORT FILE for further > > information, if there is any. Good bye. > > > > An unexpected exception has been detected in native code outside the VM. > > Unexpected Signal : 11 occurred at PC=0x419852cb Function name=(N/A) > > Library=(N/A) > > > > NOTE: We are unable to locate the function name symbol for the error > > just occurred. Please refer to release documentation for possible > > reason and solutions. > > > > > > Current Java thread: > > > > > > **************** > > Another exception has been detected while we were handling last error. > > Dumping information about last error: ERROR REPORT FILE = (N/A) > > PC = 0x0x419852cb > > SIGNAL = 11 > > FUNCTION NAME = (N/A) > > LIBRARY NAME = (N/A) > > Please check ERROR REPORT FILE for further information, if there is any. > > Good bye. > > > > Any thoughts on what might be the cause? There is nothing in the log > > files to tell me more than this, which gets dumped to the console. > > > > -Thanks! > > > > > -- > Matthew Boeckman (816) 777-2160 > Manager - Systems Integration Saepio Technologies > == > == > ...Many say that DOS is the dark side, but actually UNIX is more like > the dark side: It's less likely to find the one way to destroy your > incredibly powerful machine, and more likely to make upper management choke. > -Lore Sjoberg > > > -- > To unsubscribe: <mailto:[EMAIL PROTECTED]> > For additional commands: <mailto:[EMAIL PROTECTED]> > Troubles with the list: <mailto:[EMAIL PROTECTED]> > -- To unsubscribe: <mailto:[EMAIL PROTECTED]> For additional commands: <mailto:[EMAIL PROTECTED]> Troubles with the list: <mailto:[EMAIL PROTECTED]>
