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Posted to dev@hive.apache.org by "Wang Yan (JIRA)" <ji...@apache.org> on 2018/08/06 15:17:00 UTC
[jira] [Created] (HIVE-20318) NullPointerException when union with
lateral view
Wang Yan created HIVE-20318:
-------------------------------
Summary: NullPointerException when union with lateral view
Key: HIVE-20318
URL: https://issues.apache.org/jira/browse/HIVE-20318
Project: Hive
Issue Type: Bug
Components: Query Processor
Affects Versions: 2.3.2
Environment: Run on MR, hadoop 2.7.3
Reporter: Wang Yan
The following sql throws NullPointerException.
This sql is not table/data specific and can be run directly.
WITH t1 AS ( SELECT 0 AS c1 ),
t2 AS ( SELECT 0 AS c1 FROM ( SELECT COLLECT_SET('line') AS c2
) t3 lateral VIEW explode(ARRAY("a")) er AS c3
)SELECT c1FROM t1UNION ALLSELECT c1FROM t2
This is the exception.
2018-04-20 01:53:50,845 WARN [Thread-5] org.apache.hadoop.mapred.YarnChild: Exception running child : java.lang.RuntimeException: Hive Runtime Error while closing operators
at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.close(ExecMapper.java:207)
at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:61)
at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:453)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:343)
at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:164)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1698)
at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
Caused by: java.lang.NullPointerException
at org.apache.hadoop.hive.conf.HiveConf.getVar(HiveConf.java:3901)
at org.apache.hadoop.hive.ql.exec.FileSinkOperator.closeOp(FileSinkOperator.java:1020)
at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:697)
at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:711)
at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:711)
at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:711)
at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.close(ExecMapper.java:189)
... 8 more
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