hive 函数参数产生的错误：Hive Runtime Error while processing row {"sys":"0"}

浅浅的花香味﹌ 2022-09-19 12:07 202阅读 0赞

函数参数用错 产生的错误：

select  from\_unixtime(unix\_timestamp(),'YYYY-mm-dd')  from default.dual;

Diagnostic Messages for this Task:  
java.lang.RuntimeException: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error while processing row \{"sys":"0"\}  
        at org.apache.hadoop.hive.ql.exec.ExecMapper.map(ExecMapper.java:162)  
        at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:50)  
        at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:390)  
        at org.apache.hadoop.mapred.MapTask.run(MapTask.java:324)  
        at org.apache.hadoop.mapred.Child$4.run(Child.java:266)  
        at java.security.AccessController.doPrivileged(Native Method)  
        at javax.security.auth.Subject.doAs(Subject.java:396)  
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1278)  
        at org.apache.hadoop.mapred.Child.main(Child.java:260)  
Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error while processing row \{"sys":"0"\}  
        at org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:671)  
        at org.apache.hadoop.hive.ql.exec.ExecMapper.map(ExecMapper.java:144)  
        ... 8 more  
Caused by: org.apache.hadoop.hive.ql.meta

FAILED: Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.MapRedTask  
MapReduce Jobs Launched:  
Job 0: Map: 1   HDFS Read: 0 HDFS Write: 0 FAIL  
Total MapReduce CPU Time Spent: 0 msec

正确的用法：

select  from\_unixtime(unix\_timestamp(),'yyyy-MM-dd')  from default.dual;