title: JSONParser returns Unexpected character () at position 0
body: <p>I'm with problem to parse a JSON. Always that I try do it, the follow was result is returned: Unexpected character () at position 0.</p>
  
  <pre><code>public Object execute(HttpRequestBase request){
      DefaultHttpClient client = new DefaultHttpClient();
      HttpResponse response = null;
      Object object = null;
  
      try {
          response = client.execute(request);
          InputStream is = response.getEntity().getContent();
          BufferedReader br = new BufferedReader(new InputStreamReader((is)));
          StringBuilder builder = new StringBuilder();
          String output;
  
          while ((output = br.readLine()) != null) {
              builder.append(output).append("\n");    
          }
  
           if (response.getStatusLine().getStatusCode() == 200) { 
              object = new JSONParser().parse(builder.toString());
              client.getConnectionManager().shutdown();
          } else {
               LOG.log(Level.SEVERE, builder.toString());
               throw new RuntimeException(builder.toString());
           }
  
      } catch (IOException | ParseException ex) {
          LOG.log(Level.SEVERE, ex.toString());
      } finally {
  
      }
  
      return object;
  }
  </code></pre>
  
  <p>PS: </p>
  
  <ol>
  <li>My response returns a JSON well formatted;</li>
  <li>The problem happens when this piece of code is running <code>object = new JSONParser().parse(builder.toString());</code></li>
  </ol>
  
  <p>The is part o my JSON file:</p>
  
  <pre><code>    [
     {
        "id":2115,
        "identificacao":"17\/2454634-6",
        "ultima_atualizacao":null
     },
     {
        "id":2251,
        "identificacao":"17\/3052383-2",
        "ultima_atualizacao":"2017-11-21"
     },
     {
        "id":2258,
        "identificacao":"17\/3070024-6",
        "ultima_atualizacao":null
     },
     {
        "id":2257,
        "identificacao":"17\/3070453-5",
        "ultima_atualizacao":null
     }
  ]
  </code></pre>