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.
Two enterprise applications covering UI and business logic of the same application? That's a very odd deployment decision. EAR's are not really meant to be related to each other. Application modules inside a single EAR was the intended design.
When Eclipse reports compile errors due to missing jars you just need to update the build path to point to them.