The EJB 3.1 expert group is working on for the next version of the Java EE EJB specification.
EJB 3.0 brought simplicity to Java EE 5 by moving away from a heavyweight programming model. EJB 3.1 aims to build on those successes by moving further down the path of simplicity as well as adding a handful of much-needed features.
Here are a few interesting features :-
1. EJB Interfaces are Optional.
2. The Singleton Beans are Here
3. Support for direct use of EJBs in the servlet container
4. EJB Timer Service enhancements
5. Support for stateful web services via Stateful Session Bean web service endpoints.
Reza Rehman is one of the members of the EJB 3.1 Expert group. He has promised to write more articles in future regarding EJB 3.1.
You can get more information here :-
http://www.theserverside.com/tt/articles/article.tss?l=NewFeaturesinEJB3-1
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