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https://issues.apache.org/jira/browse/HIVE-9832?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14344380#comment-14344380
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Gunther Hagleitner commented on HIVE-9832:
------------------------------------------
+1 although i think sum(hash(...)) would seriously reduce output size of the
test.
> Merge join followed by union and a map join in hive on tez fails.
> -----------------------------------------------------------------
>
> Key: HIVE-9832
> URL: https://issues.apache.org/jira/browse/HIVE-9832
> Project: Hive
> Issue Type: Bug
> Components: Tez
> Affects Versions: 1.0.0, 1.2.0, 1.1.0
> Reporter: Vikram Dixit K
> Assignee: Vikram Dixit K
> Priority: Critical
> Attachments: HIVE-9832.1.patch
>
>
> {code}
> select a.key, b.value from (select x.key as key, y.value as value from
> srcpart x join srcpart y on (x.key = y.key)
> union all
> select key, value from srcpart z) a join src b on (a.value = b.value);
> {code}
> {code}
> TaskAttempt 3 failed, info=[Error: Failure while running
> task:java.lang.RuntimeException: java.lang.RuntimeException: Hive Runtime
> Error while closing operators: null
> at
> org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:186)
> at
> org.apache.hadoop.hive.ql.exec.tez.TezProcessor.run(TezProcessor.java:138)
> at
> org.apache.tez.runtime.LogicalIOProcessorRuntimeTask.run(LogicalIOProcessorRuntimeTask.java:324)
> at
> org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable$1.run(TezTaskRunner.java:176)
> at
> org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable$1.run(TezTaskRunner.java:168)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:415)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1628)
> at
> org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable.call(TezTaskRunner.java:168)
> at
> org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable.call(TezTaskRunner.java:163)
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.lang.RuntimeException: Hive Runtime Error while closing
> operators: null
> at
> org.apache.hadoop.hive.ql.exec.tez.ReduceRecordProcessor.close(ReduceRecordProcessor.java:214)
> at
> org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:177)
> ... 13 more
> Caused by: java.lang.NullPointerException
> at
> org.apache.hadoop.hive.ql.exec.MapJoinOperator.closeOp(MapJoinOperator.java:317)
> at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:598)
> at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:610)
> at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:610)
> at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:610)
> at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:610)
> at
> org.apache.hadoop.hive.ql.exec.tez.ReduceRecordProcessor.close(ReduceRecordProcessor.java:196)
> ... 14 more
> ]], Vertex failed as one or more tasks failed. failedTasks:1, Vertex
> vertex_1425055721029_0048_4_09 [Reducer 5] killed/failed due to:null]
> Vertex killed, vertexName=Reducer 7, vertexId=vertex_1425055721029_0048_4_11,
> diagnostics=[Vertex received Kill while in RUNNING state., Vertex killed as
> other vertex failed. failedTasks:0, Vertex vertex_1425055721029_0048_4_11
> [Reducer 7] killed/failed due to:null]
> Vertex killed, vertexName=Reducer 4, vertexId=vertex_1425055721029_0048_4_07,
> diagnostics=[Vertex received Kill while in RUNNING state., Vertex killed as
> other vertex failed. failedTasks:0, Vertex vertex_1425055721029_0048_4_07
> [Reducer 4] killed/failed due to:null]
> DAG failed due to vertex failure. failedVertices:1 killedVertices:2
> FAILED: Execution Error, return code 2 from
> org.apache.hadoop.hive.ql.exec.tez.TezTask
> {code}
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