This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
Struts has support for a data source setup in struts-config.xml, however, it is not recommended for use (because you have to pass the datasource from the action to your data layer ). You should use jndi with tomcat. There are plenty of resources to see how to do this but just briefly.