hive> insert overwrite local directory '/Users/wooluwalker/Desktop/' select * from tb_test;

 Total jobs = 1

 Launching Job 1 out of 1

 Number of reduce tasks is set to 0 since there's no reduce operator

 Starting Job = job_1529105640036_0105, Tracking URL = http://wooluwalkerdeMacBook-Air.local:8088/proxy/application_1529105640036_0105/

 Kill Command = /Users/wooluwalker/software/hadoop-2.8.3/bin/hadoop job  -kill job_1529105640036_0105

 Hadoop job information for Stage-1: number of mappers: 0; number of reducers: 0

 2018-06-17 08:11:46,038 Stage-1 map = 0%,  reduce = 0%

 Ended Job = job_1529105640036_0105 with errors

 Error during job, obtaining debugging information...

 FAILED: Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.mr.MapRedTask

 MapReduce Jobs Launched:

 Stage-Stage-1:  HDFS Read: 0 HDFS Write: 0 FAIL

 Total MapReduce CPU Time Spent: 0 msec