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.
I had created a session bean & deployed it on JBOSS Server. I created a stand alone client. I did not do any narrowing but it still worked. I modified by code, to include the narrowing part. It also worked. So is this narrowing required in EJB 3