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.