hive sql:
select row_number() over (order by trademark) id,* from iot.dr_ps_20171228 limit 1
报错信息:
java.net.UnknownHostException: Invalid host name: local host is: (unknown); destination host is: "xhw367":8032; java.net.UnknownHostException; For more details see: http://wiki.apache.org/hadoop/UnknownHost
补充:
1、local host不是我分着打的,这是异常信息抛出来的。
2、只有在用hive聚合函数才会出现这个问题,普通的select不会出现。
已解决,详见:http://blog.csdn.net/tanglei6636/article/details/79161695