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https://issues.apache.org/jira/browse/HADOOP-6377?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12794733#action_12794733
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Todd Lipcon commented on HADOOP-6377:
-------------------------------------
Not sure what the correct recourse is here. Hadoop 0.20 reports the unreadable
directories as 0 bytes with no warnings. Linux du prints a warning for each and
does not include them in the stdout output.
> ChecksumFileSystem.getContentSummary throws NPE when directory contains
> inaccessible directories
> ------------------------------------------------------------------------------------------------
>
> Key: HADOOP-6377
> URL: https://issues.apache.org/jira/browse/HADOOP-6377
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs
> Affects Versions: 0.21.0, 0.22.0
> Reporter: Todd Lipcon
>
> When getContentSummary is called on a path that contains an unreadable
> directory, it throws NPE, since RawLocalFileSystem.listStatus(Path) returns
> null when File.list() returns null.
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