Hai, Tomcat has a bug at Linux OS. you need to added LD_LIBRARY_KERNEL to your profile. it mean that you should know what version that your OS is using -- Regards, Andy Susanto,S.Kom ====================================================== CV : http://www.linkedin.com/pub/andy-susanto/7/533/baa On Thu, Feb 4, 2010 at 8:07 AM, Carl wrote: > Chris, > > Interesting idea.  I tried over the weekend to force that situation with > JMeter hitting a simple jsp that did some data stuff and created a small > display.  I pushed it to the point that there were entries in the log > stating it was out of memory (when attempting to GC, I think) but it just > slowed way down and never crashed.  I could see from VisualJVM that it had > used the entire heap but, again, I could never get it to crash. > > Strange because it doesn't have the classic signs (slowing down or throwing > out of memory exceptions or freezing), it just disappears without any > tracks.  I am certain there is a reason somewhere, I just haven't found it > yet. > > Thanks for your suggestions, > > Carl > > ----- Original Message ----- From: "Christopher Schultz" > > To: "Tomcat Users List" > Sent: Wednesday, February 03, 2010 5:45 PM > Subject: Re: Tomcat dies suddenly > > >> -----BEGIN PGP SIGNED MESSAGE----- >> Hash: SHA1 >> >> Chuck, >> >> On 2/3/2010 5:00 PM, Caldarale, Charles R wrote: >>>> >>>> From: Carl [mailto:carl@etrak-plus.com] >>>> Subject: Re: Tomcat dies suddenly >>> >>>> I am hoping I can see failure at the point of failure >>>> with the heap dump options >>> >>> That won't have any effect on the Linux OOM killer.  If it is the OOM >>> killer taking out Tomcat, the JVM will not receive any notification - all >>> threads will just be terminated with extreme prejudice.  There won't be a >>> chance for the heap dump to happen. >> >> Maybe what Carl should try is to actually cause an OOME without >> triggering the "OOM Killer". >> >> Carl: you said that everything is copacetic when you run with a smaller >> heap, right? Well, run with that smaller heap, but then write a simply >> servlet/JSP/whatever that just allocates huge, say, byte[] buffers until >> it gets an OOME and verify that you get a heap dump when that happens. >> >> - -chris >> -----BEGIN PGP SIGNATURE----- >> Version: GnuPG v1.4.10 (MingW32) >> Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ >> >> iEYEARECAAYFAktp/JEACgkQ9CaO5/Lv0PBI0ACgmDLJVxM5xDiN5UIFsqqKRj7i >> 2J8AoL8ENGsYxwudtFrLy+tZTzmr/rxC >> =4yC9 >> -----END PGP SIGNATURE----- >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org >> For additional commands, e-mail: users-help@tomcat.apache.org >> >> > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org > For additional commands, e-mail: users-help@tomcat.apache.org > > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org For additional commands, e-mail: users-help@tomcat.apache.org