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 >
