haddop HostName 不能有特殊字符
hadoop集群中的HostName不能包含‘.’ '/' '_'等非法字符。
否则
- 报错
Does not contain a valid host:port authority:
- 无法启动集群
- Node间无法建立链接
- 配置文件设置失败
ERROR: Cannot set priority of namenode process
否则
Does not contain a valid host:port authority:
ERROR: Cannot set priority of namenode process