How to serialize a java.util.List to Json using Gson Library?

Question

In my servlet I have the following code:

    response.setContentType(\"application/json\");//set json content type
    PrintWriter out = response.getWriter();

          


        

Answer 1

StackOverflowException occurs due to infinite recursion. You may need to check the code thoroughly for any unintended recursion.

Answer 2

Looks like your Gps objects contain references to themselves.