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https://issues.apache.org/jira/browse/HIVE-11016?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14617492#comment-14617492
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Vikram Dixit K commented on HIVE-11016:
---------------------------------------
Commit required for branch 1.2, branch-1 and trunk.
> MiniTez mergejoin test fails with Tez input error (issue in merge join under
> certain conditions)
> ------------------------------------------------------------------------------------------------
>
> Key: HIVE-11016
> URL: https://issues.apache.org/jira/browse/HIVE-11016
> Project: Hive
> Issue Type: Sub-task
> Reporter: Sergey Shelukhin
> Assignee: Sergey Shelukhin
> Attachments: HIVE-11016.01.patch, HIVE-11016.patch
>
>
> Didn't spend a lot of time investigating, but from the code it looks like we
> shouldn't be calling it after false at least on this path (after false from
> next, pushRecord returns false, which causes fetchDone to be set for the tag;
> and fetchOneRow is not called if that is set; should be ok unless tags are
> messed up?)
> {noformat}
> 2015-06-15 17:28:17,272 ERROR [main]: SessionState
> (SessionState.java:printError(984)) - Vertex failed, vertexName=Reducer 2,
> vertexId=vertex_1434414363282_0002_17_03, diagnostics=[Task failed,
> taskId=task_1434414363282_0002_17_03_000002, diagnostics=[TaskAttempt 0
> failed, info=[Error: Failure while running task:
> attempt_1434414363282_0002_17_03_000002_0:java.lang.RuntimeException:
> java.lang.RuntimeException: Hive Runtime Error while closing operators:
> java.lang.RuntimeException: java.io.IOException: Please check if you are
> invoking moveToNext() even after it returned false.
> at
> org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:181)
> at
> org.apache.hadoop.hive.ql.exec.tez.TezProcessor.run(TezProcessor.java:146)
> at
> org.apache.tez.runtime.LogicalIOProcessorRuntimeTask.run(LogicalIOProcessorRuntimeTask.java:349)
> at
> org.apache.tez.runtime.task.TaskRunner2Callable$1.run(TaskRunner2Callable.java:71)
> at
> org.apache.tez.runtime.task.TaskRunner2Callable$1.run(TaskRunner2Callable.java:60)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:422)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1628)
> at
> org.apache.tez.runtime.task.TaskRunner2Callable.callInternal(TaskRunner2Callable.java:60)
> at
> org.apache.tez.runtime.task.TaskRunner2Callable.callInternal(TaskRunner2Callable.java:35)
> at org.apache.tez.common.CallableWithNdc.call(CallableWithNdc.java:36)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.lang.RuntimeException: Hive Runtime Error while closing
> operators: java.lang.RuntimeException: java.io.IOException: Please check if
> you are invoking moveToNext() even after it returned false.
> at
> org.apache.hadoop.hive.ql.exec.tez.ReduceRecordProcessor.close(ReduceRecordProcessor.java:338)
> at
> org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:172)
> ... 14 more
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException:
> java.lang.RuntimeException: java.io.IOException: Please check if you are
> invoking moveToNext() even after it returned false.
> at
> org.apache.hadoop.hive.ql.exec.CommonMergeJoinOperator.fetchOneRow(CommonMergeJoinOperator.java:412)
> at
> org.apache.hadoop.hive.ql.exec.CommonMergeJoinOperator.fetchNextGroup(CommonMergeJoinOperator.java:380)
> at
> org.apache.hadoop.hive.ql.exec.CommonMergeJoinOperator.joinFinalLeftData(CommonMergeJoinOperator.java:449)
> at
> org.apache.hadoop.hive.ql.exec.CommonMergeJoinOperator.closeOp(CommonMergeJoinOperator.java:389)
> at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:651)
> at
> org.apache.hadoop.hive.ql.exec.tez.ReduceRecordProcessor.close(ReduceRecordProcessor.java:314)
> ... 15 more
> Caused by: java.lang.RuntimeException: java.io.IOException: Please check if
> you are invoking moveToNext() even after it returned false.
> at
> org.apache.hadoop.hive.ql.exec.tez.ReduceRecordSource.pushRecord(ReduceRecordSource.java:302)
> at
> org.apache.hadoop.hive.ql.exec.CommonMergeJoinOperator.fetchOneRow(CommonMergeJoinOperator.java:404)
> ... 20 more
> Caused by: java.io.IOException: Please check if you are invoking moveToNext()
> even after it returned false.
> at
> org.apache.tez.runtime.library.common.ValuesIterator.hasCompletedProcessing(ValuesIterator.java:223)
> at
> org.apache.tez.runtime.library.common.ValuesIterator.moveToNext(ValuesIterator.java:105)
> at
> org.apache.tez.runtime.library.input.OrderedGroupedKVInput$OrderedGroupedKeyValuesReader.next(OrderedGroupedKVInput.java:308)
> at
> org.apache.hadoop.hive.ql.exec.tez.ReduceRecordSource.pushRecord(ReduceRecordSource.java:260)
> ... 21 more
> {noformat}
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