Web tier: servlets, JSP, Web frameworks: Another Place to look
The Java Ranch ( http://www.javaranch.com/ ) has a busy and fairly well maintained Java discussion board known as the "Big Moose Saloon" ( http://www.javaranch.com/cgi-bin/ubb/Ultimate.cgi ) One of the particularly active forums focuses on Servlets and JSP. If you have questions or problems, why not check it out. If you don't have any questions or problems, gurus are always welcome to come and help others ...
I came across this cool simple site which refers open-source projects, code examples and links to tutorials > http://www.devoo.com