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Posted to dev@pig.apache.org by "Nandor Kollar (JIRA)" <ji...@apache.org> on 2017/03/10 22:32:04 UTC
[jira] [Work started] (PIG-5181) JobManagement_3 is failing with
spark exec type
[ https://issues.apache.org/jira/browse/PIG-5181?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Work on PIG-5181 started by Nandor Kollar.
------------------------------------------
> JobManagement_3 is failing with spark exec type
> -----------------------------------------------
>
> Key: PIG-5181
> URL: https://issues.apache.org/jira/browse/PIG-5181
> Project: Pig
> Issue Type: Sub-task
> Components: spark
> Reporter: Nandor Kollar
> Assignee: Nandor Kollar
> Fix For: spark-branch
>
>
> Task failed on executor node:
> {code}
> java.lang.RuntimeException: Error while processing 'perl PigStreaming.pl - - nameMap (stdin-org.apache.pig.builtin.PigStreaming/stdout-org.apache.pig.builtin.PigStreaming)' failed with exit status: 2
> at org.apache.pig.backend.hadoop.executionengine.spark.converter.OutputConsumerIterator.readNext(OutputConsumerIterator.java:85)
> at org.apache.pig.backend.hadoop.executionengine.spark.converter.OutputConsumerIterator.hasNext(OutputConsumerIterator.java:96)
> at scala.collection.convert.Wrappers$JIteratorWrapper.hasNext(Wrappers.scala:41)
> at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:327)
> at scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:29)
> at org.apache.pig.backend.hadoop.executionengine.spark.converter.OutputConsumerIterator.readNext(OutputConsumerIterator.java:57)
> at org.apache.pig.backend.hadoop.executionengine.spark.converter.OutputConsumerIterator.hasNext(OutputConsumerIterator.java:96)
> at scala.collection.convert.Wrappers$JIteratorWrapper.hasNext(Wrappers.scala:41)
> at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:327)
> at org.apache.spark.util.collection.ExternalSorter.insertAll(ExternalSorter.scala:192)
> at org.apache.spark.shuffle.sort.SortShuffleWriter.write(SortShuffleWriter.scala:64)
> at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:73)
> at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:41)
> at org.apache.spark.scheduler.Task.run(Task.scala:89)
> at org.apache.spark.executor.Executor$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)
> {code}
> It seems that in SparkLauncher the cached file is copied from the file system to a temporary file (which case is the original file name + some random string)
> {code}
> File tmpFile = File.createTempFile(fileName, ".tmp");
> {code}
> and this file is added to SparkContext. It is added with the name of the temp file. This is a problem, since this cached file can't be used with the original name, like in JobManagement_3:
> {code}
> define CMD `perl PigStreaming.pl - - nameMap` ship(':SCRIPTHOMEPATH:/PigStreaming.pl') cache(':INPATH:/nameMap/part-00000#nameMap');
> {code}
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