Re: Sad: Tomcat 5.5.x crashes almost every single day.

2006-02-28 Thread Nathan Smith
Hi Tomasz, this is the exact point I was making in my previous email. The error message that was returned was to do with the Java Heap Space. It may be referring to the entire heap that is allocated to the JVM, who knows. The problem can be fixed by increasing your -XX:MaxPermSize value to mo

Re: Sad: Tomcat 5.5.x crashes almost every single day.

2006-02-28 Thread Nathan Smith
Another tool I find very useful is visualgc, which is part of the jvmstat 3.0 package available here http://java.sun.com/performance/jvmstat. You dont have to set anything up and its really lightweight. You could probably run it in a production environment with hardly any impact on performance

Re: Sad: Tomcat 5.5.x crashes almost every single day.

2006-02-28 Thread Nathan Smith
Hi Tomasz, you mentioned below that you have a MaxPermSize of 256m. I would suggest increasing this value to a much larger amount and even increasing your -Xms and -Xmx values. We had a problem with our application in a live environment where it would regularly get errors like the following;