Are you trying to use Gson in client-side code? That will not work.
(see http://www.gwtproject.org/doc/latest/DevGuideCodingBasics.html)
GWT includes the package com.google.gwt.json.client for client-side JSON.
You can use Gson or another JSON package on the server-side (I use
json.org).
On Th
I want to use the gson jar to encode and decode data in json. i put it in
the war/WEB-INF/lib directory and used it in the code but eclipse couldn't
find it in order to be able to work with it until i added it to the build
path for the project. but after i do the gwt compile and start the server