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From "Bharath Mundlapudi (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-7322) Adding a util method in FileUtil for directory listing
Date Mon, 23 May 2011 21:57:47 GMT
Adding a util method in FileUtil for directory listing
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                 Key: HADOOP-7322
                 URL: https://issues.apache.org/jira/browse/HADOOP-7322
             Project: Hadoop Common
          Issue Type: Bug
            Reporter: Bharath Mundlapudi
            Assignee: Bharath Mundlapudi
            Priority: Minor
             Fix For: 0.23.0


While testing Disk Fail Inplace, we encountered lots of NPE from Dir.listFiles API. This API
can return null when Dir is not directory or disk is bad. I am proposing to have a File Util
which can be used consistently across to deal with disk issues. This util api will do the
following:

1. When error happens it will throw IOException
2. Else it will return empty list or list of files.

Signature:
File[] FileUtil.listFiles(File dir) throws IOException {}

This way we no need to write wrapper code every where. Also, API is consistent with the signature.
 

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