if (res == null) { log.error("Job Failed!!!!!!!!!!!!!!!"); }
   protected JobTimings sendRequestToSlave(String slaveURL, ServerRequest request)   {      try      {         InvokerLocator locator = new InvokerLocator(slaveURL);         Client client = new Client(locator, "perftest");         Object res = client.invoke(request);         return (JobTimings)res;      }      catch (Throwable t)      {         log.error("Failed to run job", t);         return null;      }   }