Originally Posted by John D. Muccigrosso
When using vpc.drew.edu, FireFox 6.0.2 for Mac saves the little Java Network Launching Protocol file without the jnlp extension. I can just add it back on of course, but it's a hassle.
I had a similar problem. My mac kept trying to open Dreamweaver for Java programs. See Adding download actions in this article for instructions of fixing that in ff. If you need additional help with this feel free to message me. http://goo.gl/5fpP2