For comprehensive JBoss documentation covering advanced JBoss topics, see JBoss Admin. and Development Ghashtuide, available at http://www.jboss.org/docs/index.

For information on how to run clustered JBoss servers for performance and high availability, see JBoss Clustering (Sacha Labourey and Bill Burke) also available at http://www.jboss.org/docs/index

For general EJB instruction, with thorough JBoss coverage, see Enterprise JavaBeans, 4th Edition. (O'Reilly, 2004. Richard Monson-Haeful, Bill Burke, Sacha Labourey)

For additional, but dated, EJB instruction, we also recommend the classic Mastering Enterprise JavaBeans, Second Edition. (Wiley, 2001. Ed. Roman et al.) A free PDF version of the first edition is available online at http://www.theserverside.com/books/masteringEJB/index.jsp.

For complete coverage of the new J2EE 1.4 web services, see J2EE Web Services. (Addison-Wesley, 2003. hi Richard Monson-Haefel )

For more information about using XDoclet to simplify J2EE development, see XDoclet in Action. (Manning, 2003. Craig Walls, Norman Richards)

To learn more about Hibernate, see Hibernate in Action. (Manning, 2004. Christian Bauer, Gavin King)