Hmm, I'm going to try again with more explicit PermGen space as it seems to be out of it. - Bradley
On Thu, Sep 3, 2009 at 3:51 PM, Bradley Wagner < bradley.wag...@hannonhill.com> wrote: > And again in a new place on subsequent attempt. I've attached the logging > this time because the amount of logging between the last Tomcat line and the > GC line was significant! > - Bradley > > > On Thu, Sep 3, 2009 at 1:49 PM, Caldarale, Charles R < > chuck.caldar...@unisys.com> wrote: > >> > From: Bradley Wagner [mailto:bradley.wag...@hannonhill.com] >> > Subject: Re: 100% usage and hanging on startup of Spring/Hibernate app >> > in Tomcat 5.5 on Ubuntu 7 >> > >> > Maybe it can't connect when it's hung. >> >> Quite possible; GC stops all threads, so the JMX agent may well be >> suspended. >> >> You might want to try turning on pretty much all of the GC-related trace >> flags: >> >> -XX:+PrintGC >> -XX:+PrintGCDetails >> -XX:+PrintGCTimeStamps >> -XX:+PrintGCTaskTimeStamps >> -XX:+PrintReferenceGC >> -XX:+TraceGen0Time >> -XX:+TraceGen1Time >> -XX:+PrintTenuringDistribution >> -XX:+PrintHeapAtGC >> -XX:+TraceParallelOldGCTasks >> -XX:+PrintParallelOldGCPhaseTimes >> >> (All on one line, of course.) This will produce a *lot* of output. >> >> - 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: users-unsubscr...@tomcat.apache.org >> For additional commands, e-mail: users-h...@tomcat.apache.org >> >>
