Ya know, I don't know of any Java/Portal forum software.
I do know a bunch of php utilities I'd use. I really hate to suggest this, and there are a million reasons not to, but a messageboard really is handled well by a web server. Ever think of hosting a message board on apache, and have the portal just clip the page. Web Clipping is pretty powerful.
It's not much of an answer, as opposed to a workaround. But it's probably what I'd do if I was in a pinch.
Joined: Sep 14, 2006
found a program called JForum, anyone know of it and tried it?