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https://issues.apache.org/jira/browse/HADOOP-13343?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15372774#comment-15372774
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Steve Loughran commented on HADOOP-13343:
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well, it is a regression. You could just be the first to notice. Which also
shows limitations of test coverage.
we should be updating filesystem.md BTW, that's where the definition of what
filesystems are meant to do live. The whole glob code is an undocumented bit of
functionality there —and I know that as I have plans to subclass the globber
and do profund things once I've got HADOOP-13208 checked off. I'd like that
spec and the contract tests to go with.
> globStatus returns null for file path that exists but is filtered
> -----------------------------------------------------------------
>
> Key: HADOOP-13343
> URL: https://issues.apache.org/jira/browse/HADOOP-13343
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs
> Affects Versions: 2.7.2
> Reporter: Jason Lowe
> Priority: Minor
> Attachments: HADOOP-13343.001.patch
>
>
> If a file path without globs is passed to globStatus and the file exists but
> the specified input filter suppresses it then globStatus will return null
> instead of an empty array. This makes it impossible for the caller to
> discern the difference between the file not existing at all vs. being
> suppressed by the filter and is inconsistent with the way it handles globs
> for an existing dir but fail to match anything within the dir.
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