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From Brian Braun <>
Subject High Availability in Tomcat?
Date Mon, 09 May 2011 04:17:17 GMT

I'm about to launch a service on the internet, using Tomcat 7. This service
should be available 24x7, it should never be unavailable (or virtually
never). However, I will definitely be improving and correcting my app
frequently, so I will have to republish the WAR file very often. Not even
considering the fact that my app has leaking problems (that's another story)
and therefore I will have to restart Tomcat itself, republishing the app
will make it unavailable for at least 10 seconds while I do it.
I'm thinking that I need to create a Tomcat Cluster. Is that the way to go?
Any opinions?

Another idea would be to have two tomcat installations, and to change the IP
my domain points to, to the IP that goes to that other Tomcat instance. But
changing the IP takes some time and I would have to wait until I think that
the DNS servers have updates the new IP, that would be slow and unreliable.

Thanks in advance,


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