Eclipse + Tomcat + JBoss + MySQL 3.x
Step-by-step guide by Hao Wu covers setting up the following open source tools for J2EE 1.3 development: Tomcat 4.x for Servlet 2.3 and JSP 1.2, JBoss 3.x for EJB 2.0, JMS 1.1, JCA 1.0, and JAXP 1.1, MySQL 3.x for RDBMS Persistence, Eclipse for Java IDE.
Hello, World! Web App
Ten steps for deploying a simple JSP web application on JBoss AppServer.
JBoss
Includes source, documentation, downloads, and user forums. [Open Source, LGPL]
Learno
A website that teaches the basics of JBoss by allowing the user to click on multiple choice questions with answers explained.
Q&A: Behind the Story at JBoss
Marc Fleury explains his vision for JBoss software, which he says will displace commercial Java server software faster than Linux is replacing more entrenched OSs. [ZDNet UK]