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From "Xuefu Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-6984) Analyzing partitioned table with NULL values for the partition column failed with NPE
Date Tue, 29 Apr 2014 22:23:22 GMT

     [ https://issues.apache.org/jira/browse/HIVE-6984?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Xuefu Zhang updated HIVE-6984:
------------------------------

    Status: Patch Available  (was: Open)

> Analyzing partitioned table with NULL values for the partition column failed with NPE
> -------------------------------------------------------------------------------------
>
>                 Key: HIVE-6984
>                 URL: https://issues.apache.org/jira/browse/HIVE-6984
>             Project: Hive
>          Issue Type: Bug
>          Components: Statistics
>    Affects Versions: 0.14.0
>            Reporter: Xuefu Zhang
>            Assignee: Xuefu Zhang
>         Attachments: HIVE-6984.patch
>
>
> The following describes how to produce the bug:
> {code}
> hive> desc test2;
> name                	string              	                    
> age                 	int                 	                    
> hive> select * from test2;
> 6666666666666666666	NULL
> 5555555555555555555	NULL
> tom	15
> john	NULL
> mayr	40
> 	30
> 	NULL
> hive> create table test3(name string) partitioned by (age int);
> hive> from test2 insert overwrite table test3 partition(age) select test2.name, test2.age;
> Loading data to table default.test3 partition (age=null)
> 	Loading partition {age=40}
> 	Loading partition {age=__HIVE_DEFAULT_PARTITION__}
> 	Loading partition {age=30}
> 	Loading partition {age=15}
> Partition default.test3{age=15} stats: [numFiles=1, numRows=1, totalSize=4, rawDataSize=3]
> Partition default.test3{age=30} stats: [numFiles=1, numRows=1, totalSize=1, rawDataSize=0]
> Partition default.test3{age=40} stats: [numFiles=1, numRows=1, totalSize=5, rawDataSize=4]
> Partition default.test3{age=__HIVE_DEFAULT_PARTITION__} stats: [numFiles=1, numRows=4,
totalSize=46, rawDataSize=42]
> hive> analyze table test3 partition(age) compute statistics;
> ...
> Task with the most failures(4): 
> -----
> Diagnostic Messages for this Task:
> java.lang.RuntimeException: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime
Error while processing row {"name":"6666666666666666666","age":null,"raw__data__size":19}
> 	at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.map(ExecMapper.java:195)
> 	at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:50)
> 	at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:417)
> 	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:332)
> 	at org.apache.hadoop.mapred.Child$4.run(Child.java:268)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:415)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1499)
> 	at org.apache.hadoop.mapred.Child.main(Child.java:262)
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error while
processing row {"name":"6666666666666666666","age":null,"raw__data__size":19}
> 	at org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:549)
> 	at org.apache.hado
> FAILED: Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.mr.MapRedTask
> {code}
> The following is the stack trace in mapper log:
> {code}
> 2014-04-28 15:39:25,073 FATAL org.apache.hadoop.hive.ql.exec.mr.ExecMapper: org.apache.hadoop.hive.ql.metadata.HiveException:
Hive Runtime Error while processing row {"name":"6666666666666666666","age":null,"raw__data__size":19}
> 	at org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:549)
> 	at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.map(ExecMapper.java:177)
> 	at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:50)
> 	at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:417)
> 	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:332)
> 	at org.apache.hadoop.mapred.Child$4.run(Child.java:268)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:415)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1499)
> 	at org.apache.hadoop.mapred.Child.main(Child.java:262)
> Caused by: java.lang.NullPointerException
> 	at org.apache.hadoop.hive.ql.exec.TableScanOperator.gatherStats(TableScanOperator.java:149)
> 	at org.apache.hadoop.hive.ql.exec.TableScanOperator.processOp(TableScanOperator.java:90)
> 	at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:796)
> 	at org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:539)
> 	... 9 more
> {code}



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