I want to create a little web applications J2EE compliant using JBoss, and how can I start using such application server? where can I find easy tutorial for beginners? I have an experience of using Silver Stream but now I want to create an open source environment using MySql+Jboss ...
Try the Getting Started Guide at http://docs.jboss.org/jbossas/getting_started/v5/html/
Also, I have found the following books to be helpful:
JBoss at Work: http://www.jbossatwork.com/
JBoss, A Developer's Notebook: http://www.oreilly.com/catalog/jbossadn/