Dynamic Web Module 3.1 requires Java 1.7 or newer
http://crunchify.com/how-to-solve-dynamic-web-module-3-1-requires-java-1-7-or-newer-in-eclipse/
No mapping found for HTTP request with URI ...
http://stackoverflow.com/questions/1266303/no-mapping-found-for-http-request-with-uri-web-inf-pages-apiform-jsp
原文：http://www.cnblogs.com/silva/p/5588591.html