I\'m trying to create a test fixture using Fitnesse framework, and I want to test a function which retrieves data from a server (RESTFUL service). My test case
I had this same issue because of the "static" declaration. In my case, .build() caused the issue in a static variable. The simple solution was to not declare the variable static. It can be final. Try removing "static" from the getJsonArrayFromUrl method and see if it works.