I've been doing "plain old java objects" programming for 10 years now, with Swing and JDBC, and I consider myself pretty good at it. But I start a new job in two weeks where they use JBoss, and I'd like to get a heads up and start learning all this stuff before I start. What are good resources? On-line tutorials, books, e-books, anything you can suggest, especially ones that don't try to teach you the basics of plain Java first.