Dan, Thanks for the response.
> Are you accessing any native code from Java? For example using JNI / > JNA or a third party module which requires you to set > "java.library.path"? No. Thanks, Carl On Feb 28, 2012, at 2:35 PM, Daniel Mikusa wrote: > On Tue, 2012-02-28 at 11:09 -0800, Carl Kabbe wrote: >> Ranier, >> >> Thanks for your response and thoughts. >> >>> Are there normal shutdown messages in the Tomcat logs? >> >> >> No, the catalina.out log has our messages but none of the normal shutdown >> stuff (we see the shutdown messaging every day when we push changes and >> restart Tomcat at 4:00AM.) > > Are you accessing any native code from Java? For example using JNI / > JNA or a third party module which requires you to set > "java.library.path"? > > Dan > > >> >> Thanks, >> >> Carl >> >> On Feb 28, 2012, at 2:00 PM, Rainer Jung wrote: >> >>> On 28.02.2012 19:47, Carl Kabbe wrote: >>>> Chuck and Chris, >>>> >>>> Thanks for your replies. Below is some information to your >>>> questions/suggestions: >>>> >>>>>> Check the kernel logs (e.g., /var/log/messages, /var/log/warn), not >>>>>> just the Tomcat ones. Also, look for a JVM dump file >>>>>> (hs_err_pid*.log) >>>> >>>> >>>> I have and there is nothing in the messages file except accesses granted >>>> to specific workstations coming in on ssh and sync'ing to a time server. >>>> Neither of these have times that correspond to the crashes. >>>> >>>> There are no hs_err_* files anywhere on the servers. >>>> >>>>> Smells a lot like OOM killer. >>>>> >>>>> Carl, you say you have a 2GiB heap. Are you using 32-bit or 64-bit >>>>> JVM? What about other large-memory processes on the same boxes? Do you >>>>> have other JVMs running or a database, etc.? Does the JVM die on any >>>>> kind of schedule? >>>> >>>> >>>> We are running 64 bit OS's (Slackware 13.x, the latest version.) >>>> >>>> There are two other applications running on each of the boxes: 1) the >>>> Apache James email server (localhost SMTP only) and 2) a small application >>>> that serves reports. They are both very small (the current server shows >>>> 11GB+ free memory) and always survive theTomcat crashes. >>>> >>>> These servers are only used for Tomcat (and the related James and report >>>> serving app.) >>>> >>>> Not on a timed schedule but usually during high traffic periods (usually, >>>> but not always, as with last Friday.) >>> >>> Are there normal shutdown messages in the Tomcat logs? >>> >>> Regards, >>> >>> Rainer >>> >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org >>> For additional commands, e-mail: users-h...@tomcat.apache.org >>> >>> >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org >> For additional commands, e-mail: users-h...@tomcat.apache.org >> --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
