[
https://issues.apache.org/jira/browse/HIVE-7431?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14065958#comment-14065958
]
Rui Li commented on HIVE-7431:
------------------------------
It seems that some malformed op tree caused this issue:
{noformat}
<MAP>Id =69
<Children>
<TS>Id =65
<Children>
<SEL>Id =66
<Children>
<GBY>Id =67
<Children>
<RS>Id =68
<Children>
<\Children>
<Parent>Id = 67 null<\Parent>
<\RS>
<\Children>
<Parent>Id = 66 null<\Parent>
<\GBY>
<\Children>
<Parent>Id = 65 null<\Parent>
<\SEL>
<\Children>
<Parent>Id = 71
<MAP>Id =71
<Children>null
<\Children>
<Parent><\Parent>
<\MAP><\Parent>
<\TS>
<\Children>
<Parent><\Parent>
<\MAP>
{noformat}
> When run on spark cluster, some spark tasks may fail
> ----------------------------------------------------
>
> Key: HIVE-7431
> URL: https://issues.apache.org/jira/browse/HIVE-7431
> Project: Hive
> Issue Type: Bug
> Reporter: Rui Li
>
> When running queries on spark, some spark tasks fail (usually the first
> couple of tasks) with the following stack trace:
> {quote}
> org.apache.hadoop.hive.ql.exec.mr.ExecMapper.configure(ExecMapper.java:154)
> org.apache.hadoop.hive.ql.exec.spark.HiveMapFunction.call(HiveMapFunction.java:60)
> org.apache.hadoop.hive.ql.exec.spark.HiveMapFunction.call(HiveMapFunction.java:35)
> org.apache.spark.api.java.JavaRDDLike$$anonfun$fn$7$1.apply(JavaRDDLike.scala:161)
> org.apache.spark.api.java.JavaRDDLike$$anonfun$fn$7$1.apply(JavaRDDLike.scala:161)
> org.apache.spark.rdd.RDD$$anonfun$12.apply(RDD.scala:559)
> org.apache.spark.rdd.RDD$$anonfun$12.apply(RDD.scala:559)
> org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:35)
> org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
> org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
> org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:158)
> ...
> {quote}
> Observed for spark standalone cluster. Not verified for spark on yarn or
> mesos.
> NO PRECOMMIT TESTS. This is for spark branch only.
--
This message was sent by Atlassian JIRA
(v6.2#6252)
