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https://issues.apache.org/jira/browse/HIVE-7282?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14046250#comment-14046250
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Eugene Koifman commented on HIVE-7282:
--------------------------------------
Would it not make more sense to add the new test to
TestHCatLoaderComplexSchema, so that it's run with both ORC and RCFile?
> HCatLoader fail to load Orc map with null key
> ---------------------------------------------
>
> Key: HIVE-7282
> URL: https://issues.apache.org/jira/browse/HIVE-7282
> Project: Hive
> Issue Type: Bug
> Components: HCatalog
> Reporter: Daniel Dai
> Assignee: Daniel Dai
> Fix For: 0.14.0
>
> Attachments: HIVE-7282-1.patch, HIVE-7282-2.patch
>
>
> Here is the stack:
> Get exception:
> AttemptID:attempt_1403634189382_0011_m_000000_0 Info: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$NewTrackingRecordReader.nextKeyValue(MapTask.java:533)
> at
> org.apache.hadoop.mapreduce.task.MapContextImpl.nextKeyValue(MapContextImpl.java:80)
> at
> org.apache.hadoop.mapreduce.lib.map.WrappedMapper$Context.nextKeyValue(WrappedMapper.java:91)
> at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:144)
> at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:764)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:340)
> at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:167)
> 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:1557)
> at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:162)
> Caused by: java.lang.NullPointerException
> at
> org.apache.hive.hcatalog.pig.PigHCatUtil.transformToPigMap(PigHCatUtil.java:469)
> at
> org.apache.hive.hcatalog.pig.PigHCatUtil.extractPigObject(PigHCatUtil.java:404)
> at
> org.apache.hive.hcatalog.pig.PigHCatUtil.transformToTuple(PigHCatUtil.java:456)
> at
> org.apache.hive.hcatalog.pig.PigHCatUtil.transformToTuple(PigHCatUtil.java:374)
> at org.apache.hive.hcatalog.pig.HCatBaseLoader.getNext(HCatBaseLoader.java:64)
> ... 13 more
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