What I'm going to be doing next is setting up a webservice with SSL and deploy it ServiceMix. Since this is a simple how-to article, the service will only be able to say hi when called upon. I'll also provide a simple client that will call that service.
My second post once again concerns the Play! Framework, but who doesn't like to Play!?
This blog post should help you provide downloadable pdf's through a webapplication built with the Play! Framework. Jörg Viola provides a module for Play! that allows us to create the pdf from a HTML page.