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https://issues.apache.org/jira/browse/HIVE-6984?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Xuefu Zhang updated HIVE-6984:
------------------------------
Attachment: HIVE-6984.1.patch
Patch #1 updated based on feedback.
> 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-6984.1.patch, 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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