Thursday, December 25, 2014

Adding external jars to eclipse GWT projects

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 and send a request, i get the following error

WARNING: Error for /functionlibrary/functionlibrary

java.lang.Error: Unresolved compilation problems: 

Gson cannot be resolved to a type

GsonBuilder cannot be resolved to a type


i have searched online in countless forum posts and none of them work... i'm using gson jar exclusively on the server side, and when i try to use the one in the repackaged package that comes with gwt i get an error saying that it's unreliable. i'd like someone to give me precise instructions on how to add any jar i like to the server side code to work with.

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