[
https://issues.apache.org/jira/browse/HIVE-9081?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14244871#comment-14244871
]
Chao commented on HIVE-9081:
----------------------------
{{multi_insert_lateral_view.q}} failed because of the same issue on IOContext:
{noformat}
java.lang.RuntimeException: Map operator initialization failed
at
org.apache.hadoop.hive.ql.exec.spark.SparkMapRecordHandler.init(SparkMapRecordHandler.java:136)
at
org.apache.hadoop.hive.ql.exec.spark.HiveMapFunction.call(HiveMapFunction.java:54)
at
org.apache.hadoop.hive.ql.exec.spark.HiveMapFunction.call(HiveMapFunction.java:29)
at
org.apache.spark.api.java.JavaRDDLike$$anonfun$fn$7$1.apply(JavaRDDLike.scala:167)
at
org.apache.spark.api.java.JavaRDDLike$$anonfun$fn$7$1.apply(JavaRDDLike.scala:167)
at org.apache.spark.rdd.RDD$$anonfun$13.apply(RDD.scala:601)
at org.apache.spark.rdd.RDD$$anonfun$13.apply(RDD.scala:601)
at
org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:35)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:263)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:230)
at
org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:68)
at
org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:41)
at org.apache.spark.scheduler.Task.run(Task.scala:56)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:196)
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: java.lang.NullPointerException
at org.apache.hadoop.hive.ql.io.IOContext.copy(IOContext.java:119)
at
org.apache.hadoop.hive.ql.exec.spark.SparkMapRecordHandler.init(SparkMapRecordHandler.java:97)
... 16 more
{noformat}
> Bucket mapjoin should use the new alias in posToAliasMap [Spark Branch]
> -----------------------------------------------------------------------
>
> Key: HIVE-9081
> URL: https://issues.apache.org/jira/browse/HIVE-9081
> Project: Hive
> Issue Type: Sub-task
> Reporter: Jimmy Xiang
> Assignee: Jimmy Xiang
> Fix For: spark-branch
>
> Attachments: HIVE-9081.1-spark.patch, HIVE-9081.2-spark.patch
>
>
> In converting a mapjoin to a bucket mapjoin, the join aliases could be
> updated. So we should update the posToAliasMap accordingly.
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