When you double-click on the server with ports 18080 and 11099, what do you see in the Server Editor section labeled ports? I imagine you see something like this:
http://i.imgur.com/DAXyd.png
In this page you see 8080 and 1099, even though your server has launched with 18080 and 11099. You must uncheck the "automatically detect" button, type in the ports manually, and save the editor.