This week's book giveaway is in the Mac OS forum. We're giving away four copies of a choice of "Take Control of Upgrading to Yosemite" or "Take Control of Automating Your Mac" and have Joe Kissell on-line! See this thread for details.
Remoting is required by the EJB specification / built into the EJB framework - it's not something that's required/built into Spring, although there are several ways to accomplish this. The chapter on Remoting and Web Services in the Spring reference covers the options.
Write once, run anywhere, because there's nowhere to hide! - /. A.C.