i have this json string
{ \"@uri\": \"http://localhost:8080/TunisairRESTful/resources/cities/\", \"city\": [ { \"@uri\": \"http:/
You're doing an initWithContentsOfFile but passing in a string. Have you tried simply [responseString JSONValue]? Your code suggests that responseString has the PATH to the file you're trying to open, not your full response string itself.