hive数据导出到本地目录 抛异常

经过反复试验，最终重启hdfs和hive解决问题

 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