This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori 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