> > Basic what I want is the same functionality which google apps provides. So > I want to be able to have multiple versions of my application online, let > people try the new environment and eventually switch the root context to > the new running version. This enables my clients to try out the new version > and options before they switch over to the new environment and enables me > to fix bugs found in the new release. > > Two options spring to mind. First is to have multiple tomcat instances running. One is production with accepted versions of wars. Then a second instance could run on a different port allowing you to test the new wars. When they are accepted, you deploy on the production instance. Second option is a slight variation - you could run a single instance, but have two hosts specified. In one host you specify your production wars, and in the second you specify your UAT wars.
Every company that I have worked in always runs separate a production and UAT machines. If you don't want multiple machines, then I'd go for option 1. HTH Chris
