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https://issues.apache.org/jira/browse/HIVE-17275?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Chris Drome reassigned HIVE-17275:
----------------------------------
> Auto-merge fails on writes of UNION ALL output to ORC file with dynamic
> partitioning
> ------------------------------------------------------------------------------------
>
> Key: HIVE-17275
> URL: https://issues.apache.org/jira/browse/HIVE-17275
> Project: Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 2.2.0
> Reporter: Chris Drome
> Assignee: Chris Drome
>
> If dynamic partitioning is used to write the output of UNION or UNION ALL
> queries into ORC files with hive.merge.tezfiles=true, the merge step fails as
> follows:
> {noformat}
> 2017-08-08T11:27:19,958 ERROR [e7b1f06d-d632-408a-9dff-f7ae042cd25a main]
> SessionState: Vertex failed, vertexName=File Merge,
> vertexId=vertex_1502216690354_0001_33_00, diagnostics=[Task failed,
> taskId=task_1502216690354_0001_33_00_000000, diagnostics=[TaskAttempt 0
> failed, info=[Error: Error while running task ( failure ) :
> attempt_1502216690354_0001_33_00_000000_0:java.lang.RuntimeException:
> java.lang.RuntimeException: org.apache.hadoop.hive.ql.metadata.HiveException:
> java.io.IOException: Multiple partitions for one merge mapper:
> hdfs://localhost:39943/build/ql/test/data/warehouse/partunion1/.hive-staging_hive_2017-08-08_11-27-09_105_286405133968521828-1/-ext-10002/part1=2014/1
> NOT EQUAL TO
> hdfs://localhost:39943/build/ql/test/data/warehouse/partunion1/.hive-staging_hive_2017-08-08_11-27-09_105_286405133968521828-1/-ext-10002/part1=2014/2
> at
> org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:211)
> at
> org.apache.hadoop.hive.ql.exec.tez.MergeFileTezProcessor.run(MergeFileTezProcessor.java:42)
> at
> org.apache.tez.runtime.LogicalIOProcessorRuntimeTask.run(LogicalIOProcessorRuntimeTask.java:370)
> at
> org.apache.tez.runtime.task.TaskRunner2Callable$1.run(TaskRunner2Callable.java:73)
> at
> org.apache.tez.runtime.task.TaskRunner2Callable$1.run(TaskRunner2Callable.java:61)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:422)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1807)
> at
> org.apache.tez.runtime.task.TaskRunner2Callable.callInternal(TaskRunner2Callable.java:61)
> at
> org.apache.tez.runtime.task.TaskRunner2Callable.callInternal(TaskRunner2Callable.java:37)
> at org.apache.tez.common.CallableWithNdc.call(CallableWithNdc.java:36)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.lang.RuntimeException:
> org.apache.hadoop.hive.ql.metadata.HiveException: java.io.IOException:
> Multiple partitions for one merge mapper:
> hdfs://localhost:39943/build/ql/test/data/warehouse/partunion1/.hive-staging_hive_2017-08-08_11-27-09_105_286405133968521828-1/-ext-10002/part1=2014/1
> NOT EQUAL TO
> hdfs://localhost:39943/build/ql/test/data/warehouse/partunion1/.hive-staging_hive_2017-08-08_11-27-09_105_286405133968521828-1/-ext-10002/part1=2014/2
> at
> org.apache.hadoop.hive.ql.exec.tez.MergeFileRecordProcessor.processRow(MergeFileRecordProcessor.java:225)
> at
> org.apache.hadoop.hive.ql.exec.tez.MergeFileRecordProcessor.run(MergeFileRecordProcessor.java:154)
> at
> org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:185)
> ... 14 more
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException:
> java.io.IOException: Multiple partitions for one merge mapper:
> hdfs://localhost:39943/build/ql/test/data/warehouse/partunion1/.hive-staging_hive_2017-08-08_11-27-09_105_286405133968521828-1/-ext-10002/part1=2014/1
> NOT EQUAL TO
> hdfs://localhost:39943/build/ql/test/data/warehouse/partunion1/.hive-staging_hive_2017-08-08_11-27-09_105_286405133968521828-1/-ext-10002/part1=2014/2
> at
> org.apache.hadoop.hive.ql.exec.OrcFileMergeOperator.processKeyValuePairs(OrcFileMergeOperator.java:169)
> at
> org.apache.hadoop.hive.ql.exec.OrcFileMergeOperator.process(OrcFileMergeOperator.java:72)
> at
> org.apache.hadoop.hive.ql.exec.tez.MergeFileRecordProcessor.processRow(MergeFileRecordProcessor.java:216)
> ... 16 more
> Caused by: java.io.IOException: Multiple partitions for one merge mapper:
> hdfs://localhost:39943/build/ql/test/data/warehouse/partunion1/.hive-staging_hive_2017-08-08_11-27-09_105_286405133968521828-1/-ext-10002/part1=2014/1
> NOT EQUAL TO
> hdfs://localhost:39943/build/ql/test/data/warehouse/partunion1/.hive-staging_hive_2017-08-08_11-27-09_105_286405133968521828-1/-ext-10002/part1=2014/2
> at
> org.apache.hadoop.hive.ql.exec.AbstractFileMergeOperator.checkPartitionsMatch(AbstractFileMergeOperator.java:180)
> at
> org.apache.hadoop.hive.ql.exec.AbstractFileMergeOperator.fixTmpPath(AbstractFileMergeOperator.java:197)
> at
> org.apache.hadoop.hive.ql.exec.OrcFileMergeOperator.processKeyValuePairs(OrcFileMergeOperator.java:96)
> ... 18 more
> {noformat}
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