title: Simple JAX-RS Client - Issue
body: <p>I wanted to write a very simple client which will access my public git profile and will display it a webpage. </p>
  
  <p>`</p>
  
  <pre><code>final Client client = ClientBuilder.newClient();
   WebTarget webTarget =     client.target( URI.create(
                                             "https://api.github.com/users/mmahawar"));
  Response response = webTarget.request(MediaType.APPLICATION_JSON).get();
  if (response.getStatus() == 200) {
      JSONObject readEntity = response.readEntity(JSONObject.class);
      return readEntity;
  }
  </code></pre>
  
  <p>When I am running the about code i am getting "No message body reader has been found for class" error.. I have not configured cxf or jettison in my spring application context file.   ` Since it's just a simple client do i need them?</p>