[jira] [Commented] (SPARK-11177) sc.wholeTextFiles throws ArrayIndexOutOfBoundsException when S3 file has zero bytes

["Josh Rosen (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-11177?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14962821#comment-14962821 ] 

Josh Rosen commented on SPARK-11177:
------------------------------------

Reproduced it. This only occurs on Hadoop 1.x.

> sc.wholeTextFiles throws ArrayIndexOutOfBoundsException when S3 file has zero bytes
> -----------------------------------------------------------------------------------
>
>                 Key: SPARK-11177
>                 URL: https://issues.apache.org/jira/browse/SPARK-11177
>             Project: Spark
>          Issue Type: Sub-task
>            Reporter: Josh Rosen
>
> From a user report:
> {quote}
> When I upload a series of text files to an S3 directory and one of the files is empty (0 bytes). The sc.wholeTextFiles method stack traces.
> java.lang.ArrayIndexOutOfBoundsException: 0
> at org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat$OneFileInfo.<init>(CombineFileInputFormat.java:506)
> at org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat.getMoreSplits(CombineFileInputFormat.java:285)
> at org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat.getSplits(CombineFileInputFormat.java:245)
> at org.apache.spark.rdd.WholeTextFileRDD.getPartitions(NewHadoopRDD.scala:303)
> at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:239)
> at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:237)
> at scala.Option.getOrElse(Option.scala:120)
> at org.apache.spark.rdd.RDD.partitions(RDD.scala:237)
> at org.apache.spark.SparkContext.runJob(SparkContext.scala:1922)
> at org.apache.spark.rdd.RDD$$anonfun$collect$1.apply(RDD.scala:905)
> at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:147)
> at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:108)
> at org.apache.spark.rdd.RDD.withScope(RDD.scala:306)
> at org.apache.spark.rdd.RDD.collect(RDD.scala:904)
> {quote}
> It looks like this has been a longstanding issue:
> * http://apache-spark-user-list.1001560.n3.nabble.com/pyspark-wholeTextFiles-error-td8872.html
> * https://stackoverflow.com/questions/31051107/read-multiple-files-from-a-directory-using-spark
> * https://forums.databricks.com/questions/1799/arrayindexoutofboundsexception-with-wholetextfiles.html



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