fnokd!

JBoss on Rails will indeed cluster!
After modifying and dropping my jboss-rails.deployer into an ‘all’ configured server of JBoss AS 5, and firing up 3 instances on my localhost (non-trivial on OSX…):

10:43:28,409 INFO [RPCManagerImpl] Received new cluster view: [127.0.0.10:63740|2] [127.0.0.10:63740, 127.0.0.11:63747, 127.0.0.12:63749]
10:43:28,435 INFO [RPCManagerImpl] Cache local address is 127.0.0.12:63749
10:43:28,469 INFO [ComponentRegistry] JBoss Cache [...]