JBoss Seam is a "lightweight framework for Java EE 5.0". What does that mean? Isn't Java EE (Enterprise Edition) 5.0 itself a collection of "frameworks"? Why do you need another one that is outside of the official specification? Well, we view Seam as the
JMS provides an elegant solution for overcoming the restrictions you face when developing concurrent applications with EJB. Learn how its asynchronous model and its support for the MessageDrivenBean can enable a client to use EJB asynchronously.