devx is hosting an article comparing Spring 2 and EJB 3 focusing on support for persistence, transaction management, and statefulness, concluding that support is mostly the same with but with EJB being slightly better at handling state.
BEA has finished the last set of OpenJPA code drops to the Apache Incubator. OpenJPA will be an enterprise grade JPA implementation suitable for production use. It will also form the basis for BEA's commercial Kodo 4.1 and WebLogic's JPA support.
The Java BluePrints Catalog available on Java.net has been updated with new writeups on JSF, AJAX, and JavaEE 5 Persistence.
Artima has interviewed EJB 3 spec lead Linda DeMichiel on how EJB was refactored for simplicty between EJB 2 and EJB 3, including three separate spec documents, simplifying EJB interfaces, annotations and when to use them, and dependency injection.
BEA will be open sourcing a large part of the formerly commercial Kodo persistence engine from SolarMetric into the Apache OpenJPA project. Going forward, the commerical Kodo and WebLogic will be built on top of OpenJPA which will recieve a large commitment of resources from BEA for further development. OpenJPA may become a viable alternative to Hibernate this year.