Carl- enable logging FileHandler and set level to finest e.g. org.apache.catalina.level=FINEST
http://tomcat.apache.org/tomcat-6.0-doc/logging.html hth Martin Gainty ______________________________________________ Verzicht und Vertraulichkeitanmerkung/Note de déni et de confidentialité Diese Nachricht ist vertraulich. Sollten Sie nicht der vorgesehene Empfaenger sein, so bitten wir hoeflich um eine Mitteilung. Jede unbefugte Weiterleitung oder Fertigung einer Kopie ist unzulaessig. Diese Nachricht dient lediglich dem Austausch von Informationen und entfaltet keine rechtliche Bindungswirkung. Aufgrund der leichten Manipulierbarkeit von E-Mails koennen wir keine Haftung fuer den Inhalt uebernehmen. Ce message est confidentiel et peut être privilégié. Si vous n'êtes pas le destinataire prévu, nous te demandons avec bonté que pour satisfaire informez l'expéditeur. N'importe quelle diffusion non autorisée ou la copie de ceci est interdite. Ce message sert à l'information seulement et n'aura pas n'importe quel effet légalement obligatoire. Étant donné que les email peuvent facilement être sujets à la manipulation, nous ne pouvons accepter aucune responsabilité pour le contenu fourni. > From: c...@etrak-plus.com > To: users@tomcat.apache.org > Subject: Re: [OT] Re: jvm exits without trace > Date: Mon, 22 Mar 2010 14:33:54 -0500 > > Dan, > > 6u18 did not work for us, crashed with the same regularity as 6u17. > However, 6u7 has been running for two weeks without a failure (the others > would fail between 15 minutes and 10 days runtime.) > > Thanks, > > Carl > ----- Original Message ----- > From: "Dan Armbrust" <daniel.armbrust.l...@gmail.com> > To: "Tomcat Users List" <users@tomcat.apache.org> > Sent: Monday, March 22, 2010 1:17 PM > Subject: Re: [OT] Re: jvm exits without trace > > > On Tue, Mar 16, 2010 at 4:46 PM, Carl <c...@etrak-plus.com> wrote: > > My approach is to get something (a JVM) that works and then gradually > > change > > until it breaks. Then, I know what is causing the problem. To date, I > > haven't been able to get a JVM that works. > > > > I have had a lot of issues finding stable JVMs since I moved our > software from 1.5 to 1.6... 1.6 has been a mess for ages under our > workload on CentOS. Code that ran fine under 1.5 would segfault in > all sorts of random places on 1.6. I even tried the 1.7 openJDK early > builds... they were even worse. > > I was pleased to see that the most recent release > http://java.sun.com/javase/6/webnotes/6u18.html contains _tons_ of bug > fixes, including lots of crash fixes. Seriously... the last few > releases have contained only a handful of fixes... this release has > hundreds. > > I'm testing it now, and so far, it looks promising. This may be the > first 1.6 release that I've found that doesn't crash with my workload. > Unfortunately, I've never been able to pin down a sequence of events > that would cause the crash on demand, so its hard for me to verify > that things are finally fixed, other than doing long term load testing > and waiting for the crashes to (hopefully) not happen. > > Dan > > --------------------------------------------------------------------- > 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 > _________________________________________________________________ The New Busy is not the old busy. Search, chat and e-mail from your inbox. http://www.windowslive.com/campaign/thenewbusy?ocid=PID27925::T:WLMTAGL:ON:WL:en-US:WM_HMP:032010_3