public static void checkJobStatus(int jobId) { Authentication.requireAdmin(); // Check the status of the currently running job if (runningJob == null) { renderText("No job is currently running."); } else if (runningJob.isDone()) { try { // Return the message String message = runningJob.get().message; runningJob = null; renderText(message); } catch (InterruptedException e) { renderText("The job that was running has been halted."); } catch (ExecutionException e) { renderText("The job that was running has failed with an exception."); } } else { ok(); } }