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.
shows here that you only have a LOCAL interface, you should be able to acquire the EJB thru injection. But then the question is what is your client? it may need to use a remote interface and do a lookup for the EJB.