[jira] [Resolved] (SPARK-7155) SparkContext's newAPIHadoopFile does not support comma-separated list of files, but the other API hadoopFile does.

["Sean Owen (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-7155?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sean Owen resolved SPARK-7155.
------------------------------
       Resolution: Fixed
    Fix Version/s: 1.4.0
                   1.3.2
         Assignee: Yong Tang

> SparkContext's newAPIHadoopFile does not support comma-separated list of files, but the other API hadoopFile does.
> ------------------------------------------------------------------------------------------------------------------
>
>                 Key: SPARK-7155
>                 URL: https://issues.apache.org/jira/browse/SPARK-7155
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>    Affects Versions: 1.3.1
>         Environment: Ubuntu 14.04
>            Reporter: Yong Tang
>            Assignee: Yong Tang
>             Fix For: 1.3.2, 1.4.0
>
>
> SparkContext's newAPIHadoopFile() does not support comma-separated list of files. For example, the following:
> sc.newAPIHadoopFile("/root/file1.txt,/root/file2.txt", classOf[TextInputFormat], classOf[LongWritable], classOf[Text])
> will throw
> org.apache.hadoop.mapreduce.lib.input.InvalidInputException: Input path does not exist: file:/root/file1.txt,/root/file2.txt
> However, the other API hadoopFile() is able to process comma-separated list of files correctly.
> In addition, since sc.textFile() uses hadoopFile(), it is also able to process comma-separated list of files correctly.
> The problem is that newAPIHadoopFile() use addInputPath() to add the file path into NewHadoopRDD. See Ln 928-931, master branch:
>     val job = new NewHadoopJob(conf)
>     NewFileInputFormat.addInputPath(job, new Path(path))
>     val updatedConf = job.getConfiguration
>     new NewHadoopRDD(this, fClass, kClass, vClass, updatedConf).setName(path)
> Change addInputPath(job, new Path(path)) to addInputPaths(job, path) will resolve this issue.



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