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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

                 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

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

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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