@Override public Object handle(Request request, Response response) { JSONObject result; try { JSONObject requestJSON = new JSONObject(request.body()); SudokuGame game = new SudokuGame(convertJSONObjectToStringArray(requestJSON.getJSONArray("data"))); game.solve(); result = convertStringToJSONObject(game.toString()); } catch (CannotProceedException e) { result = createErrorMessage("cannot solve"); logger.error(e.getMessage()); } catch (Exception e) { result = createErrorMessage("unknown"); logger.error(e.getMessage()); } response.type("application/json"); /*try { Thread.sleep(15000); } catch (InterruptedException e) { e.printStackTrace(); }*/ return result; }