This week's book giveaway is in the General Computing forum. We're giving away four copies of Arduino in Action and have Martin Evans, Joshua Noble, and Jordan Hochenbaum on-line! See this thread for details.
You do not need to configure Apache to work with JBoss AS - JBoss AS has a built in web server that can server HTML and other pages. Since you are a beginner, it would be easier if you started simple. Once you are comfortable working with apps running in JBoss AS, then you can start to consider setting up an Apache front end.