Tomcat on production server, PermGen and redeploys

Question

It looks like

 MemoryError: PermGen space
 java.lang.OutOfMemoryError: PermGen space

is a common problem. You can Increase the size of your pe

Answer 1

I gave up on using the tomcat manager and now always shutdown tomcat to redeploy.

We run two tomcats on the same server and use apache webserver with mod_proxy_ajp so users can access both apps via the same port 80. This is nice also because the users see the apache Service Unavailable page when the tomcat is down.