Antonio Goncalves is a senior software architect specialized in Java/Java EE. As a former BEA consultant, he has expertise in application servers (Weblogic, JBoss, and GlassFish). He is the author of a Java EE 5 book in France and is also an Expert Member on Java EE 6, EJB 3.1, and JPA 2.0. He is the cofounder of the Paris Java User Group. For more, visit http://www.antoniogoncalves.org .