public static synchronized void kill(int index) throws Exception
public static synchronized void kill(int i) throws Exception
   public static synchronized void kill(int index) throws Exception   {      if (servers[index] == null)      {         log.warn("Server " + index + " has not been created, so it cannot be killed");         return;      }      servers[index].kill();      log.info("Server " + index + " killed");      servers[index] = null;      killed[index] = true;   }