This week's giveaway is in the EJB and other Java EE Technologies forum. We're giving away four copies of EJB 3 in Action and have Debu Panda, Reza Rahman, Ryan Cuprak, and Michael Remijan on-line! See this thread for details.
Tomcat is case sensitive, and Windows is not. So, you have to be careful when you create a folder or file under tomcat, because if you mix cases, WIndows will sometimes show everything as lowercase in windows explorer, but Tomcat will expect you to type the correct case in your browser
I suggert that you re-create all your folders and files in lower case and try again. Note:- renaming the folders may or may not work. So, it's better you start from scratch