public static void main(String argv[]) throws Exception {
  PingLauncher launcher=new PingLauncher();
  try {
    launcher.process(argv);
  }
 catch (  Throwable e) {
    logger.fatal("ERROR: " + e.getMessage(),e);
  }
  exitWithSuccess();
}

public static void main ( String argv [ ] ) throws Exception { PingLauncher launcher = new PingLauncher ( ) ; try { launcher . process ( argv ) ; } catch ( Throwable e ) { logger . fatal ( "ERROR: " + e . getMessage ( ) , e ) ; } exitWithSuccess ( ) ; }
main method to permit external invocation .
