Why am I cloning JBoss? Because to understand how to get the config files right, I had to compile a debug version and single-step it.
What's what you say? I might be feeling "not impressed" with JBoss? Perhaps I'm thinking what JWZ said about the time-value of software? Well, I will neither confirm nor deny such outrageous accusations! ;]
See also http://hwellmann.blogspot.com/2011/06/java-ee-6-server-comparison-jboss.html?showComment=1310532902809#c669989613092099368 , particularly Craig Ringer's comment at the bottom.