[jira] Created: (MAPREDUCE-1522) FileInputFormat may change the file system of an input path

["Tsz Wo (Nicholas), SZE (JIRA)" <ji...@apache.org>]

FileInputFormat may change the file system of an input path
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                 Key: MAPREDUCE-1522
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1522
             Project: Hadoop Map/Reduce
          Issue Type: Bug
            Reporter: Tsz Wo (Nicholas), SZE


org.apache.hadoop.mapreduce.lib.input.FileInputFormat.addInputPath(Job job, Path path) uses the default FileSystem but not the FileSystem specified in the path.
{code}
//org.apache.hadoop.mapreduce.lib.input.FileInputFormat
  public static void addInputPath(Job job, 
                                  Path path) throws IOException {
    Configuration conf = job.getConfiguration();
    FileSystem fs = FileSystem.get(conf);
    path = path.makeQualified(fs); // the original FileSystem is lost.
    ...
  }
{code}
There is a similar problem in FileInputFormat.setInputPaths(..).

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