I have a web application using JPA and JTA with Spring. I would like to support both JBoss and Tomcat. When running on JBoss, I'd like to use JBoss' own TransactionManager, and when running on Tomc...

Q1. i do understand when we need to deal with multiple databases, we need to use global transaction. but from this post http://fogbugz.atomikos.com/default.asp . the person suggested just use sprin...