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https://issues.apache.org/jira/browse/HIVE-10009?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jimmy Xiang updated HIVE-10009:
-------------------------------
Fix Version/s: spark-branch
> LazyObjectInspectorFactory is not thread safe [Spark Branch]
> ------------------------------------------------------------
>
> Key: HIVE-10009
> URL: https://issues.apache.org/jira/browse/HIVE-10009
> Project: Hive
> Issue Type: Bug
> Affects Versions: spark-branch
> Reporter: Jimmy Xiang
> Assignee: Jimmy Xiang
> Fix For: spark-branch
>
>
> LazyObjectInspectorFactory is not thread safe, which causes random failures
> in multiple thread environment such as Hive on Spark. We got exceptions like
> below
> {noformat}
> java.lang.RuntimeException: Map operator initialization failed:
> java.lang.ClassCastException:
> org.apache.hadoop.hive.serde2.lazy.objectinspector.LazySimpleStructObjectInspector
> cannot be cast to
> org.apache.hadoop.hive.serde2.objectinspector.SettableStructObjectInspector
> 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:55)
> at
> org.apache.hadoop.hive.ql.exec.spark.HiveMapFunction.call(HiveMapFunction.java:30)
> at
> org.apache.spark.api.java.JavaRDDLike$$anonfun$fn$7$1.apply(JavaRDDLike.scala:170)
> at
> org.apache.spark.api.java.JavaRDDLike$$anonfun$fn$7$1.apply(JavaRDDLike.scala:170)
> at org.apache.spark.rdd.RDD$$anonfun$14.apply(RDD.scala:634)
> at org.apache.spark.rdd.RDD$$anonfun$14.apply(RDD.scala:634)
> at
> org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:35)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:277)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:244)
> at
> org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:68)
> at
> org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:41)
> at org.apache.spark.scheduler.Task.run(Task.scala:64)
> at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:203)
> 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.ClassCastException:
> org.apache.hadoop.hive.serde2.lazy.objectinspector.LazySimpleStructObjectInspector
> cannot be cast to
> org.apache.hadoop.hive.serde2.objectinspector.SettableStructObjectInspector
> at
> org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorConverters.getConverter(ObjectInspectorConverters.java:154)
> at
> org.apache.hadoop.hive.ql.exec.MapOperator.initObjectInspector(MapOperator.java:199)
> at
> org.apache.hadoop.hive.ql.exec.MapOperator.setChildren(MapOperator.java:355)
> at
> org.apache.hadoop.hive.ql.exec.spark.SparkMapRecordHandler.init(SparkMapRecordHandler.java:92)
> ... 16 more
> {noformat}
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