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.
Application servers I think have a built in Transaction Manager that is JTS compliant. But you are forced to use Entity/Session beans inorder to use the JTS API's. Is it possible to have non-ejb java code to use the JTS API and have the transactions propogated?