Best practices for deploying Java webapps with minimal downtime?

Question

When deploying a large Java webapp (>100 MB .war) I\'m currently use the following deployment process:

• The application .war file is expanded locally on the develop

Answer 1

Hot Deploy a Java EAR to Minimize or Eliminate Downtime of an Application on a Server or How to “hot” deploy war dependency in Jboss using Jboss Tools Eclipse plugin might have some options for you.

Deploying to a cluster with no downtime is interesting too.

JavaRebel has hot-code deployement too.