Recently 9CBS has some articles on using Eclipse Lomboz JBoss development J2EE, and search for relevant content on Google, always feel that they don't understand very well. I finally gave an important link:
http://www.tusc.com.au/tutorial/html/index.html
This is a Step by Step tutorial, although the software version introduced is some, but the change is not large. This tutorial is written in English. After reading the first chapter, and combines these software to test. People feel that EJB is actually a relatively easy task.
The content of this chapter has a place in the software version. JBOSS-3.2.3 does not start the memory database Hypersonic without starting the default. If you want to start the database at JBoss, you must modify it.
/jboss-3.2.3/server/default/deploy/hsqldb-ds.xml
Put the statement that is finally commented: