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