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