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https://issues.apache.org/jira/browse/HIVE-17794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16841230#comment-16841230
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Mass Dosage commented on HIVE-17794:
------------------------------------
I think we've run into this same issue, would be nice if this patch could be
incorporated into future Hive versions (our preference would be Hive 2.3.x, I
can port the code over there if necessary). Failing tests above look like
normal Hive test failure noise that probably has nothing to do with this change.
> HCatLoader breaks when a member is added to a struct-column of a table
> ----------------------------------------------------------------------
>
> Key: HIVE-17794
> URL: https://issues.apache.org/jira/browse/HIVE-17794
> Project: Hive
> Issue Type: Bug
> Components: HCatalog
> Affects Versions: 2.2.0, 3.0.0, 2.4.0
> Reporter: Mithun Radhakrishnan
> Assignee: Mithun Radhakrishnan
> Priority: Major
> Attachments: HIVE-17794.02.patch, HIVE-17794.03.patch,
> HIVE-17794.1.patch
>
>
> When a table's schema evolves to add a new member to a struct column, Hive
> queries work fine, but {{HCatLoader}} breaks with the following trace:
> {noformat}
> TaskAttempt 1 failed, info=
> Error: Failure while running
> task:org.apache.pig.backend.executionengine.ExecException: ERROR 0: Exception
> while executing (Name: kite_composites_with_segments: Local Rearrange
> tuple
> {chararray}(false) - scope-555-> scope-974 Operator Key: scope-555):
> org.apache.pig.backend.executionengine.ExecException: ERROR 0: Exception
> while executing (Name: gup: New For Each(false,false)
> bag
> - scope-548 Operator Key: scope-548):
> org.apache.pig.backend.executionengine.ExecException: ERROR 0: Exception
> while executing (Name: gup_filtered: Filter
> bag
> - scope-522 Operator Key: scope-522):
> org.apache.pig.backend.executionengine.ExecException: ERROR 0:
> org.apache.pig.backend.executionengine.ExecException: ERROR 6018: Error
> converting read value to tuple
> at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.processInput(PhysicalOperator.java:314)
> at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POLocalRearrange.getNextTuple(POLocalRearrange.java:287)
> at
> org.apache.pig.backend.hadoop.executionengine.tez.plan.operator.POLocalRearrangeTez.getNextTuple(POLocalRearrangeTez.java:127)
> at
> org.apache.pig.backend.hadoop.executionengine.tez.runtime.PigProcessor.runPipeline(PigProcessor.java:376)
> at
> org.apache.pig.backend.hadoop.executionengine.tez.runtime.PigProcessor.run(PigProcessor.java:241)
> at
> org.apache.tez.runtime.LogicalIOProcessorRuntimeTask.run(LogicalIOProcessorRuntimeTask.java:362)
> at
> org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable$1.run(TezTaskRunner.java:179)
> at
> org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable$1.run(TezTaskRunner.java:171)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:422)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1679)
> at
> org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable.callInternal(TezTaskRunner.java:171)
> at
> org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable.callInternal(TezTaskRunner.java:167)
> at org.apache.tez.common.CallableWithNdc.call(CallableWithNdc.java:36)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: org.apache.pig.backend.executionengine.ExecException: ERROR 0:
> Exception while executing (Name: gup: New For Each(false,false)
> bag
> - scope-548 Operator Key: scope-548):
> org.apache.pig.backend.executionengine.ExecException: ERROR 0: Exception
> while executing (Name: gup_filtered: Filter
> bag
> - scope-522 Operator Key: scope-522):
> org.apache.pig.backend.executionengine.ExecException: ERROR 0:
> org.apache.pig.backend.executionengine.ExecException: ERROR 6018: Error
> converting read value to tuple
> at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.processInput(PhysicalOperator.java:314)
> at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.getNextTuple(POForEach.java:252)
> at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.processInput(PhysicalOperator.java:305)
> ... 17 more
> Caused by: org.apache.pig.backend.executionengine.ExecException: ERROR 0:
> Exception while executing (Name: gup_filtered: Filter
> bag
> - scope-522 Operator Key: scope-522):
> org.apache.pig.backend.executionengine.ExecException: ERROR 0:
> org.apache.pig.backend.executionengine.ExecException: ERROR 6018: Error
> converting read value to tuple
> at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.processInput(PhysicalOperator.java:314)
> at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POFilter.getNextTuple(POFilter.java:90)
> at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.processInput(PhysicalOperator.java:305)
> ... 19 more
> Caused by: org.apache.pig.backend.executionengine.ExecException: ERROR 0:
> org.apache.pig.backend.executionengine.ExecException: ERROR 6018: Error
> converting read value to tuple
> at
> org.apache.pig.backend.hadoop.executionengine.tez.plan.operator.POSimpleTezLoad.getNextTuple(POSimpleTezLoad.java:160)
> at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.processInput(PhysicalOperator.java:305)
> ... 21 more
> Caused by: 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:63)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigRecordReader.nextKeyValue(PigRecordReader.java:204)
> at
> org.apache.tez.mapreduce.lib.MRReaderMapReduce.next(MRReaderMapReduce.java:118)
> at
> org.apache.pig.backend.hadoop.executionengine.tez.plan.operator.POSimpleTezLoad.getNextTuple(POSimpleTezLoad.java:140)
> ... 22 more
> Caused by: java.lang.IndexOutOfBoundsException: Index: 31, Size: 31
> at java.util.ArrayList.rangeCheck(ArrayList.java:653)
> at java.util.ArrayList.get(ArrayList.java:429)
> at
> org.apache.hive.hcatalog.pig.PigHCatUtil.transformToTuple(PigHCatUtil.java:468)
> at
> org.apache.hive.hcatalog.pig.PigHCatUtil.transformToTuple(PigHCatUtil.java:451)
> at
> org.apache.hive.hcatalog.pig.PigHCatUtil.extractPigObject(PigHCatUtil.java:410)
> at
> org.apache.hive.hcatalog.pig.PigHCatUtil.transformToTuple(PigHCatUtil.java:468)
> at
> org.apache.hive.hcatalog.pig.PigHCatUtil.transformToTuple(PigHCatUtil.java:386)
> at org.apache.hive.hcatalog.pig.HCatBaseLoader.getNext(HCatBaseLoader.java:64)
> ... 26 more
> {noformat}
> When filling out values for columns, the {{HCatLoader}} should've filled out
> nulls for non-existent columns. A patch will be made available shortly.
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