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Posted to issues@hive.apache.org by "Rajkumar Singh (Jira)" <ji...@apache.org> on 2020/05/23 23:04:00 UTC

[jira] [Updated] (HIVE-23542) Query based compaction failing with ClassCastException

     [ https://issues.apache.org/jira/browse/HIVE-23542?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rajkumar Singh updated HIVE-23542:
----------------------------------
    Issue Type: Bug  (was: Improvement)

> Query based compaction failing with ClassCastException 
> -------------------------------------------------------
>
>                 Key: HIVE-23542
>                 URL: https://issues.apache.org/jira/browse/HIVE-23542
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>    Affects Versions: 4.0.0
>            Reporter: Rajkumar Singh
>            Assignee: Rajkumar Singh
>            Priority: Major
>         Attachments: HIVE-23542.patch
>
>
> Steps to repro:
> create table test(id int);
> insert into table test1 values (1),(2),(3);
> insert into table test1 values (4),(5),(6);
> run query-based compactor and it will fail with the following exception:-
> {code:java}
> alter table test compact 'major'; -- query based compaction 
> Caused by: java.lang.RuntimeException: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error while processing row
> 	at org.apache.hadoop.hive.ql.exec.tez.MapRecordSource.processRow(MapRecordSource.java:101)
> 	at org.apache.hadoop.hive.ql.exec.tez.MapRecordSource.pushRecord(MapRecordSource.java:76)
> 	at org.apache.hadoop.hive.ql.exec.tez.MapRecordProcessor.run(MapRecordProcessor.java:426)
> 	at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:267)
> 	... 16 more
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error while processing row
> 	at org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:573)
> 	at org.apache.hadoop.hive.ql.exec.tez.MapRecordSource.processRow(MapRecordSource.java:92)
> 	... 19 more
> Caused by: java.lang.ClassCastException: java.lang.Integer cannot be cast to org.apache.hadoop.io.IntWritable
> 	at org.apache.hadoop.hive.ql.exec.FileSinkOperator.process(FileSinkOperator.java:967)
> 	at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:938)
> 	at org.apache.hadoop.hive.ql.exec.SelectOperator.process(SelectOperator.java:95)
> 	at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:938)
> 	at org.apache.hadoop.hive.ql.exec.TableScanOperator.process(TableScanOperator.java:128)
> 	at org.apache.hadoop.hive.ql.exec.MapOperator$MapOpCtx.forward(MapOperator.java:152)
> 	at org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:552)
> {code}



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