Tomcat 5.5 in Production

[Abiram kumar]

Hai All,
My web application runing in Tomcat 5.5 server in production.
Once i start the tomcat,my application is working fine for some hours.
After some hours,application automaticaly stopped.Even i not able to see home page.Once i restart my service(tomcat),application is working fine.
How can rectify this problem.Please give me a solution.

Thanks,
Abiram kumar

[Ben Souther]

I would start by reading the logs in $CATALINA_HOME/logs to see what is causing Tomcat to crash.

[Abiram kumar]

Thanks for your reply Ben Souther.I am getting outof memoryError (java heap Space).
How can i overcome java heap space in tomcat 5.5 server.

[William Brogden]

There are two possibilities you need to consider:
1. Your application simply needs more memory to operate with the given load.
2. Your application is not properly managing memory resulting in so-called memory leaks which eventually crash the system.

If this was my problem I would start by monitoring Tomcat with the manager application, paying particular attention to the memory and Thread statistics. Does this application use connections to databases?

Bill

[Abiram kumar]

Thanks for your reply william,

Actually i am not using database,Datas are stored in XML files.
In server, we had 1 GB RAM and we configured Apache Tomcat Properties as -DCatalina.opt -xms 768m - xmx 1024m

but still the problem is occuring.

[Bear Bibeault]

"Abiramkumar .P", please check your email for animportant message from me.

[Ben Souther]

Originally posted by Abiramkumar .P:
... we configured Apache Tomcat Properties as -DCatalina.opt -xms 768m - xmx 1024m

That's not how I usually set the heap space.
If you go to the ServerStatus section in the Tomcat manager app (http://localhost:8080/manager/html) it will show you how much memory has been allocated to the JVM.