Ibrahim, > Thanks for your input. The application in question is a content > management one which is developed using Vignette. The Vignette support > team suggested the increase in heapsize as a first measure. We are > analyzing the code itself for leaks. It may be that on jsp pages we are > not closing connections properly.
That is alwasys a possibility. Remember that anything can leak needs to have a try/catch/finally block surrounding it. Otherwise, exceptions could prevent you from cleaning something up. > I am wondering whether: > - simply editing the catalina.sh file as I described would do it or for > proper application of an increase, we may need to use commands external > to the file such as export or set? > - whether the increase made in catalina.sh may need to be made elsewere > in other files? On UNIX (at least in Tomcat 4.1.x, which I use), catalina.sh is called by every other script (startup, shutdown, etc.), and you specify the Java options there. I don't think there's a need to go looking all over the place. This script was designed to do exactly what you are trying to do: pass options to the JVM upon startup. > Also what is stacksize permgensize and how can these play a role in how > Tomcat performs and could their setting be related to OutOfMemory errors? You will have to research this yourself. It all depends upon your specific situation. -chris
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