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https://issues.apache.org/jira/browse/HIVE-7473?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Craig Condit updated HIVE-7473:
-------------------------------
Attachment: HIVE-7473.patch
Patch which fixes the issue.
> Null values in DECIMAL columns cause serialization issues with HCatalog
> -----------------------------------------------------------------------
>
> Key: HIVE-7473
> URL: https://issues.apache.org/jira/browse/HIVE-7473
> Project: Hive
> Issue Type: Bug
> Components: Serializers/Deserializers
> Affects Versions: 0.13.1
> Reporter: Craig Condit
> Attachments: HIVE-7473.patch
>
>
> WritableHiveDecimalObjectInspector appears to be missing null checks in
> getPrimitiveWritableObject(Object) and getPrimitiveJavaObject(Object). The
> same checks do exist in WritableHiveVarcharObjectInspector.
> Attempting to read from a table in HCatalog containing null values for
> decimal columns results in the following exception (Pig used here):
> {noformat}
> Error: org.apache.pig.backend.executionengine.ExecException: ERROR 6018:
> Error converting read value to tuple at
> org.apache.hive.hcatalog.pig.HCatBaseLoader.getNext(HCatBaseLoader.java:76)
> at
> org.apache.hive.hcatalog.pig.HCatLoader.getNext(HCatLoader.java:58) at
>
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigRecordReader.nextKeyValue(PigRecordReader.java:211)
> at
>
> org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.nextKeyValue(MapTask.java:532)
> at
>
> org.apache.hadoop.mapreduce.task.MapContextImpl.nextKeyValue(MapContextImpl.java:80)
> at
>
> org.apache.hadoop.mapreduce.lib.map.WrappedMapper$Context.nextKeyValue(WrappedMapper.java:91)
> at
> org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:144) at
> org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:763) at
> org.apache.hadoop.mapred.MapTask.run(MapTask.java:339) at
> org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:162) 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:1491)
> at
> org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:157)
> Caused by: java.lang.NullPointerException at
>
> org.apache.hadoop.hive.serde2.objectinspector.primitive.WritableHiveDecimalObjectInspector.getPrimitiveJavaObject(WritableHiveDecimalObjectInspector.java:43)
> at
>
> org.apache.hadoop.hive.serde2.objectinspector.primitive.WritableHiveDecimalObjectInspector.getPrimitiveJavaObject(WritableHiveDecimalObjectInspector.java:26)
> at
>
> org.apache.hive.hcatalog.data.HCatRecordSerDe.serializePrimitiveField(HCatRecordSerDe.java:269)
> at
>
> org.apache.hive.hcatalog.data.HCatRecordSerDe.serializeField(HCatRecordSerDe.java:192)
> at
> org.apache.hive.hcatalog.data.LazyHCatRecord.get(LazyHCatRecord.java:53) at
> org.apache.hive.hcatalog.data.LazyHCatRecord.get(LazyHCatRecord.java:97) at
>
> org.apache.hive.hcatalog.mapreduce.HCatRecordReader.nextKeyValue(HCatRecordReader.java:204)
> at
> org.apache.hive.hcatalog.pig.HCatBaseLoader.getNext(HCatBaseLoader.java:63)
> ... 13 more
> {noformat}
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