JBoss application server 4.0 released

The much awaited JBoss application server 4.0 is released on yesterday.This is the first open source application server to be certified J2ee 1.4 compliant.This also has the Tomcat web container and Hibernate for object relational mapping.
With the major re-work planned for EJB 3.0, the integration of hibernate provides an alternative in using plain java classes for persistence.
You can download the current version at:
http://www.jboss.com/downloads/index