This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
If an ejb makes a synchronous request to external system (using web service or CORBA), then I think the ejb instance waits until it receives the response from the external system. Is there any way to timeout this synchronous call?