public void run() {
   String args[] = new String[1];
   args[0] = confFile.toString();
   try {
     main.initializeAndRun(args);
   } catch (Exception e) {
     // test will still fail even though we just log/ignore
     LOG.error("unexpected exception in run", e);
   }
 }
 public void shutdown() {
   main.shutdown();
 }