I'm often asked about the list of Java EE 5 compatible applicationservers. Here is the complete list of officially certified servers. But the actual number of servers should be even greater - even Spring supports EJB 3.0...
Java EE 7 Workshops: Bootstrap, Effective, Architectures, June, 13th-15th, Munich's Airport
On demand workshops: Java EE 7 Bootstrap, Effective Java EE 7, Java EE 7 Testing and NEW: Java EE 7 Microservices are available for streaming