Mark, Sorry, I should have mentioned this before, but in all cases I tried the thread dumps 2-3 times at least 30s apart and none of the threads have progressed at all.
- Bradley On Mon, Aug 31, 2009 at 3:52 PM, Mark Thomas <ma...@apache.org> wrote: > Bradley Wagner wrote: > > Ok, I have some information to add here. I was able to get thread dumps > with > > "jstack <pid>" (very handy!) because "kill -3" wouldn't work on a hung > > process. > > I've listed 3 consecutive tests that I run and the thread is blocked at > the > > time the process is hung. > > That isn't the way to analyse this. It is almost impossible to detect a > hung thread from a single thread dump. > > For a single hang, take three thread dumps ~10s apart and then examine > those to see which thread(s) has(have) not progressed between dumps. > > Mark > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > > -- Hannon Hill - CMS Experience You Can Trust (678) 904-6900 ext 115 http://www.hannonhill.com