Strange "Stop" of Tomcat

[Like Zhang]

I setup tomcat in my office, and it works fine.
Then I went back home, and the tomcat looks still OK(i can browse my webpage made by jsp).
However, after 2-3 hours, I cannot connect to the server from home.
Then I went back to office, and find I can still connect to the server from other PCs in office and the tomcat works OK.

So the problem is: Tomcat works fine at the first 1-2 hours(for both intranet and from other isp), but I cannot connect to the server from other isp after several hours.
Could anyone help me out? Thanks!!

[William Brogden]

That is pretty mysterious! When you say "can't connect" what actually happens?
Sounds like Tomcat is not actually stopping, you just are not getting through. Is there a firewall involved?
Bill

[Rich Dominelli]

How are you starting Tomcat?
If this is running on a Unix Server are you starting it with nohup?