This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
So did it work for you without any annotations?
What was the problem?
I guess that you did a lot of changes to this DD, as the <depends-on> is valid only for Singleton EJB's (and you have two SLSB's) and <transaction-type> doesn't have anything to do with the injection here, right?