Where should I put external JAR files when developing a web app?

Question

I\'m developing a dynamic web application with Java (Servlets/JSP) in Eclipse. I\'m trying to use an external JAR (I\'m using StringUtils from Apache Commons) a

Answer 1

They must be placed in yourapp/WEB-INF/lib. (In eclipse you are adding them properly). So make sure the jar is really there. Note that if you are starting the app from within eclipse, you would have to configure deployment assembling.

The deployment assembly is configured through right click > properties > deployment assembly in eclipse. There you should "Add" your "Java build path entries"