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From "Andrew Sherman (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-16395) ConcurrentModificationException on config object in HoS
Date Fri, 13 Oct 2017 18:45:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-16395?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16204017#comment-16204017
] 

Andrew Sherman commented on HIVE-16395:
---------------------------------------

Test failures look unrelated, so this is ready to go IMHO [~stakiar]

> ConcurrentModificationException on config object in HoS
> -------------------------------------------------------
>
>                 Key: HIVE-16395
>                 URL: https://issues.apache.org/jira/browse/HIVE-16395
>             Project: Hive
>          Issue Type: Task
>          Components: Spark
>            Reporter: Sahil Takiar
>            Assignee: Andrew Sherman
>         Attachments: HIVE-16395.1.patch, HIVE-16395.2.patch
>
>
> Looks like this is happening inside spark executors, looks to be some race condition
when modifying {{Configuration}} objects.
> Stack-Trace:
> {code}
> java.io.IOException: java.lang.reflect.InvocationTargetException
> 	at org.apache.hadoop.hive.io.HiveIOExceptionHandlerChain.handleRecordReaderCreationException(HiveIOExceptionHandlerChain.java:97)
> 	at org.apache.hadoop.hive.io.HiveIOExceptionHandlerUtil.handleRecordReaderCreationException(HiveIOExceptionHandlerUtil.java:57)
> 	at org.apache.hadoop.hive.shims.HadoopShimsSecure$CombineFileRecordReader.initNextRecordReader(HadoopShimsSecure.java:267)
> 	at org.apache.hadoop.hive.shims.HadoopShimsSecure$CombineFileRecordReader.<init>(HadoopShimsSecure.java:213)
> 	at org.apache.hadoop.hive.shims.HadoopShimsSecure$CombineFileInputFormatShim.getRecordReader(HadoopShimsSecure.java:334)
> 	at org.apache.hadoop.hive.ql.io.CombineHiveInputFormat.getRecordReader(CombineHiveInputFormat.java:682)
> 	at org.apache.spark.rdd.HadoopRDD$$anon$1.<init>(HadoopRDD.scala:240)
> 	at org.apache.spark.rdd.HadoopRDD.compute(HadoopRDD.scala:211)
> 	at org.apache.spark.rdd.HadoopRDD.compute(HadoopRDD.scala:101)
> 	at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306)
> 	at org.apache.spark.rdd.RDD.iterator(RDD.scala:270)
> 	at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
> 	at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306)
> 	at org.apache.spark.rdd.RDD.iterator(RDD.scala:270)
> 	at org.apache.spark.rdd.UnionRDD.compute(UnionRDD.scala:87)
> 	at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306)
> 	at org.apache.spark.rdd.RDD.iterator(RDD.scala:270)
> 	at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:73)
> 	at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:41)
> 	at org.apache.spark.scheduler.Task.run(Task.scala:89)
> 	at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:242)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> Caused by: java.lang.reflect.InvocationTargetException
> 	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> 	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
> 	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
> 	at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
> 	at org.apache.hadoop.hive.shims.HadoopShimsSecure$CombineFileRecordReader.initNextRecordReader(HadoopShimsSecure.java:253)
> 	... 21 more
> Caused by: java.util.ConcurrentModificationException
> 	at java.util.Hashtable$Enumerator.next(Hashtable.java:1167)
> 	at org.apache.hadoop.conf.Configuration.iterator(Configuration.java:2455)
> 	at org.apache.hadoop.fs.s3a.S3AUtils.propagateBucketOptions(S3AUtils.java:716)
> 	at org.apache.hadoop.fs.s3a.S3AFileSystem.initialize(S3AFileSystem.java:181)
> 	at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2815)
> 	at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:98)
> 	at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2852)
> 	at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2834)
> 	at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:387)
> 	at org.apache.hadoop.fs.Path.getFileSystem(Path.java:296)
> 	at org.apache.hadoop.mapred.LineRecordReader.<init>(LineRecordReader.java:108)
> 	at org.apache.hadoop.mapred.TextInputFormat.getRecordReader(TextInputFormat.java:67)
> 	at org.apache.hadoop.hive.ql.io.CombineHiveRecordReader.<init>(CombineHiveRecordReader.java:68)
> 	... 26 more
> {code}



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