I'm trying to write a multiplayer realtime game and run it on CloudBees (the client side is an applet, the server side a java web application). Is it possible to give the server permission to listen on another port? (ie so the server-side code can create a ServerSocket on that port and the client side code can create a Socket to connect and communicate with the server)
Whilst it may be possible it is quite tricky as the available port is likely to change as your app moves around. On top of this - you would need to locate the address of the instance of where your app is running (ie some kind of dynamic directory) - so kind of fiddly. The web routing layer does all this for you - but presumes http or similar (you can use "long poll" and keep a connection open from an applet - this could work in a similar way, with some work).