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From "Navis (Assigned) (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HIVE-2958) GROUP BY causing ClassCastException [LazyDioInteger cannot be cast LazyInteger]
Date Wed, 18 Apr 2012 00:23:13 GMT

     [ https://issues.apache.org/jira/browse/HIVE-2958?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Navis reassigned HIVE-2958:
---------------------------

    Assignee: Navis
    
> GROUP BY causing ClassCastException [LazyDioInteger cannot be cast LazyInteger]
> -------------------------------------------------------------------------------
>
>                 Key: HIVE-2958
>                 URL: https://issues.apache.org/jira/browse/HIVE-2958
>             Project: Hive
>          Issue Type: Bug
>          Components: HBase Handler
>    Affects Versions: 0.9.0
>         Environment: HBase 0.90.4, Hive 0.90 snapshot (trunk) built today
>            Reporter: Tim Robertson
>            Assignee: Navis
>            Priority: Blocker
>
> This relates to https://issues.apache.org/jira/browse/HIVE-1634.
> The following work fine:
> {code}
> CREATE EXTERNAL TABLE tim_hbase_occurrence ( 
>   id int,
>   scientific_name string,
>   data_resource_id int
> ) STORED BY 'org.apache.hadoop.hive.hbase.HBaseStorageHandler' WITH SERDEPROPERTIES (
>   "hbase.columns.mapping" = ":key#b,v:scientific_name#s,v:data_resource_id#b"
> ) TBLPROPERTIES(
>   "hbase.table.name" = "mini_occurrences", 
>   "hbase.table.default.storage.type" = "binary"
> );
> SELECT * FROM tim_hbase_occurrence LIMIT 3;
> SELECT * FROM tim_hbase_occurrence WHERE data_resource_id=1081 LIMIT 3;
> {code}
> However, the following fails:
> {code}
> SELECT data_resource_id, count(*) FROM tim_hbase_occurrence GROUP BY data_resource_id;
> {code}
> The error given:
> {code}
> 0 TS
> 2012-04-17 16:58:45,693 INFO org.apache.hadoop.hive.ql.exec.MapOperator: Initialization
Done 7 MAP
> 2012-04-17 16:58:45,714 INFO org.apache.hadoop.hive.ql.exec.MapOperator: Processing alias
tim_hbase_occurrence for file hdfs://c1n2.gbif.org/user/hive/warehouse/tim_hbase_occurrence
> 2012-04-17 16:58:45,714 INFO org.apache.hadoop.hive.ql.exec.MapOperator: 7 forwarding
1 rows
> 2012-04-17 16:58:45,714 INFO org.apache.hadoop.hive.ql.exec.TableScanOperator: 0 forwarding
1 rows
> 2012-04-17 16:58:45,716 INFO org.apache.hadoop.hive.ql.exec.SelectOperator: 1 forwarding
1 rows
> 2012-04-17 16:58:45,723 FATAL ExecMapper: org.apache.hadoop.hive.ql.metadata.HiveException:
Hive Runtime Error while processing row {"id":1444,"scientific_name":null,"data_resource_id":1081}
> 	at org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:548)
> 	at org.apache.hadoop.hive.ql.exec.ExecMapper.map(ExecMapper.java:143)
> 	at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:50)
> 	at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:391)
> 	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:325)
> 	at org.apache.hadoop.mapred.Child$4.run(Child.java:270)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:396)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1157)
> 	at org.apache.hadoop.mapred.Child.main(Child.java:264)
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: java.lang.ClassCastException:
org.apache.hadoop.hive.serde2.lazydio.LazyDioInteger cannot be cast to org.apache.hadoop.hive.serde2.lazy.LazyInteger
> 	at org.apache.hadoop.hive.ql.exec.GroupByOperator.processOp(GroupByOperator.java:737)
> 	at org.apache.hadoop.hive.ql.exec.Operator.process(Operator.java:471)
> 	at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:762)
> 	at org.apache.hadoop.hive.ql.exec.SelectOperator.processOp(SelectOperator.java:84)
> 	at org.apache.hadoop.hive.ql.exec.Operator.process(Operator.java:471)
> 	at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:762)
> 	at org.apache.hadoop.hive.ql.exec.TableScanOperator.processOp(TableScanOperator.java:83)
> 	at org.apache.hadoop.hive.ql.exec.Operator.process(Operator.java:471)
> 	at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:762)
> 	at org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:529)
> 	... 9 more
> Caused by: java.lang.ClassCastException: org.apache.hadoop.hive.serde2.lazydio.LazyDioInteger
cannot be cast to org.apache.hadoop.hive.serde2.lazy.LazyInteger
> 	at org.apache.hadoop.hive.serde2.lazy.objectinspector.primitive.LazyIntObjectInspector.copyObject(LazyIntObjectInspector.java:43)
> 	at org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorUtils.copyToStandardObject(ObjectInspectorUtils.java:239)
> 	at org.apache.hadoop.hive.ql.exec.KeyWrapperFactory$ListKeyWrapper.deepCopyElements(KeyWrapperFactory.java:150)
> 	at org.apache.hadoop.hive.ql.exec.KeyWrapperFactory$ListKeyWrapper.deepCopyElements(KeyWrapperFactory.java:142)
> 	at org.apache.hadoop.hive.ql.exec.KeyWrapperFactory$ListKeyWrapper.copyKey(KeyWrapperFactory.java:119)
> 	at org.apache.hadoop.hive.ql.exec.GroupByOperator.processHashAggr(GroupByOperator.java:750)
> 	at org.apache.hadoop.hive.ql.exec.GroupByOperator.processOp(GroupByOperator.java:722)
> 	... 18 more
> {code}

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