You should be familiar with the basic concepts of these specifications:
As you develop code, you can use the Web Console provided with the Service Registry software to verify that your code is working correctly. Read the Service Registry 3.1 User’s Guide to familiarize yourself with the Web Console.
Service Registry is a component of Sun Java Enterprise System (“Java ES”), a software infrastructure that supports enterprise applications distributed across a network or Internet environment. You should be familiar with the Java ES* documentation at http://docs.sun.com/coll/1286.2.