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From "Bharath Mundlapudi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-7322) Adding a util method in FileUtil for directory listing
Date Wed, 25 May 2011 00:32:47 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-7322?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Bharath Mundlapudi updated HADOOP-7322:

    Attachment: HADOOP-7322-2.patch

Thanks for the comments, Matt. 

Regarding 2: Yes, we can be forgiving on this case. I added this because of eliminating null

Attaching a patch which addresses all these comments. 

> Adding a util method in FileUtil for directory listing
> ------------------------------------------------------
>                 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
>         Attachments: HADOOP-7322-1.patch, HADOOP-7322-2.patch
> 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

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