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 and JSP code run on the server, so I'm not sure your code even does what you want it to do (not to mention using Java code in JSP's is a Bad Idea).
If you want to play a file for the user through the browser, you should probably look at the java.applet.Applet play() method.