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https://issues.apache.org/jira/browse/HIVE-7773?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14102374#comment-14102374
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Brock Noland commented on HIVE-7773:
------------------------------------
Hi [~lirui], yes thank you very much for updating IOContext. I have removed the
section of code which was commented out. I also hit that issue when looking at
joins! FYI [~szehon]
+1 pending tests
> Union all query finished with errors [Spark Branch]
> ---------------------------------------------------
>
> Key: HIVE-7773
> URL: https://issues.apache.org/jira/browse/HIVE-7773
> Project: Hive
> Issue Type: Bug
> Components: Spark
> Reporter: Rui Li
> Priority: Critical
> Attachments: HIVE-7773.2-spark.patch, HIVE-7773.spark.patch
>
>
> When I run a union all query, I found the following error in spark log (the
> query finished with correct results though):
> {noformat}
> java.lang.RuntimeException: Map operator initialization failed
> at
> org.apache.hadoop.hive.ql.exec.spark.SparkMapRecordHandler.init(SparkMapRecordHandler.java:127)
> at
> org.apache.hadoop.hive.ql.exec.spark.HiveMapFunction.call(HiveMapFunction.java:52)
> at
> org.apache.hadoop.hive.ql.exec.spark.HiveMapFunction.call(HiveMapFunction.java:30)
> at
> org.apache.spark.api.java.JavaRDDLike$$anonfun$fn$7$1.apply(JavaRDDLike.scala:164)
> at
> org.apache.spark.api.java.JavaRDDLike$$anonfun$fn$7$1.apply(JavaRDDLike.scala:164)
> at org.apache.spark.rdd.RDD$$anonfun$13.apply(RDD.scala:596)
> at org.apache.spark.rdd.RDD$$anonfun$13.apply(RDD.scala:596)
> at
> org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:35)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
> at
> org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:68)
> at
> org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:41)
> at org.apache.spark.scheduler.Task.run(Task.scala:54)
> at
> org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:199)
> 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:744)
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException:
> org.apache.hadoop.hive.ql.metadata.HiveException: Configuration and input
> path are inconsistent
> at
> org.apache.hadoop.hive.ql.exec.MapOperator.setChildren(MapOperator.java:404)
> at
> org.apache.hadoop.hive.ql.exec.spark.SparkMapRecordHandler.init(SparkMapRecordHandler.java:93)
> ... 16 more
> {noformat}
> Judging from the log, I think we don't properly handle the input paths when
> cloning the job conf, so it may also affect other queries with multiple maps
> or reduces.
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