Sun Java System Application Server Platform Edition 9 Developer's Guide

Summary of EJB 3.0 Changes

The Application Server supports and is compliant with the Sun Microsystems Enterprise JavaBeans (EJB) architecture as defined by the Enterprise JavaBeans Specification, v3.0, also known as JSR 220.

Note –

The Application Server is backward compatible with 1.1, 2.0, and 2.1 enterprise beans. However, to take advantage of version 3.0 features, you should develop new beans as 3.0 enterprise beans.

The main changes in the Enterprise JavaBeans Specification, v3.0 that impact enterprise beans in the Application Server environment are as follows: