报错笔记：sqoop执行import命令报错

 报错信息：

java.net.UnknownHostException: Invalid host name: local host is: (unknown); destination host is: "hadoop1":8032; java.net.UnknownHostException;

 jps命令：发现resourcemanage没有启动，

 发现resourcemanager是因为yarn配置文件错误未启动，修改后 启动成功

 再次启动就不报这个错误了 但又有新的错误！淦