RE: Tomcat 5.0 strange crashes

2007-10-05 Thread keglius
I communicated with my hosting company and I found that my server has installed a non-standard java runtime from BEA Jrockit. As my programmer said that it's not a native sun virtual machine and what I found on BEA web site that if you can't make a thread dump that means that JVM really freezes an

RE: Tomcat 5.0 strange crashes

2007-10-05 Thread Caldarale, Charles R
> From: keglius [mailto:[EMAIL PROTECTED] > Subject: RE: Tomcat 5.0 strange crashes > > What is the problem with the webserver (Tomcat 5.5)? Why does > it crash? You keep using the word "crash", but don't provide any evidence that the Tomcat process is actu

Re: Tomcat 5.0 strange crashes

2007-10-05 Thread Mark Thomas
keglius wrote: > What is the problem with the webserver (Tomcat 5.5)? Nothing Why does it crash? Looks like your app is using more memory than you expect. > Do you, guys, have any suggestions which might be helpful to fix this strange > crash problem? Use a profiler (eg YourKit) to see where the

RE: Tomcat 5.0 strange crashes

2007-10-05 Thread keglius
Hello, I upgraded my server with additional 1GB of RAM, so now it has 2GBs of RAM. I tried to run the webserver stress test on my application's members area and found that it takes around 5 minutes of stress test with 20 users to crash Tomcat. My application is very resource intensive, however,

RE: Tomcat 5.0 strange crashes

2007-09-25 Thread Peter Crowther
> From: keglius [mailto:[EMAIL PROTECTED] > Actually, the server almost doesn't have free memory. > 1007.9 MB of 1011.2 MB used; 3.2 MB available RAM OK, that's physical memory. What about swap? > I think Tomcat is configured to always use 1GB of memory. Then you have a problem anyway. You ha

RE: Tomcat 5.0 strange crashes

2007-09-25 Thread keglius
Thank you Peter and Caldarale for your answers. I will definately check for those settings. Actually, the server almost doesn't have free memory. 1007.9 MB of 1011.2 MB used; 3.2 MB available RAM I think Tomcat is configured to always use 1GB of memory. The server was working just fine earlier, b

RE: Tomcat 5.0 strange crashes

2007-09-25 Thread Caldarale, Charles R
> From: keglius [mailto:[EMAIL PROTECTED] > Subject: Tomcat 5.0 strange crashes > > The Java application works fine, however sometimes Apache > Tomcat 5.0 just crashes without any reasons. If you find nothing in the logs, Tomcat isn't "crashing". Since there also don't appear to be any of the

RE: Tomcat 5.0 strange crashes

2007-09-25 Thread Peter Crowther
> From: keglius [mailto:[EMAIL PROTECTED] > OS: RedHat el4 (Linux 2.6.9-42.0.8.EL) > The Java application works fine, however sometimes Apache > Tomcat 5.0 just crashes without any reasons. A wild stab in the dark... How much free memory do you have? I seem to recall DeadRat has an oom-killer i