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https://issues.apache.org/jira/browse/HADOOP-6796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12874396#action_12874396
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Eli Collins commented on HADOOP-6796:
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You could also modify Path to accept Path("") or Path(null) so that instead of
throwing an exception they silently convert to Path("/"). That runs into the
same rationale, ie it's useful that Path throws an exception when given invalid
arguments instead of converting the path to something else (this way people
know when they pass in a null by mistake). You could also make sure FileStatus
objects are created via a method that sets the required fields (ie use a
factory).
What's the code that triggers this? If that code just wants a FileStatus that
represents "/" then could you just modify that code to set the path explicitly
to "/"?
> FileStatus allows null srcPath but crashes if that's done
> ---------------------------------------------------------
>
> Key: HADOOP-6796
> URL: https://issues.apache.org/jira/browse/HADOOP-6796
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs
> Affects Versions: 0.22.0
> Reporter: Rodrigo Schmidt
> Assignee: Rodrigo Schmidt
> Priority: Minor
> Fix For: 0.22.0
>
> Attachments: HADOOP-6796.patch
>
>
> FileStatus allows constructor invocation with a null srcPath but many methods
> like write, readFields, compareTo, equals, and hashCode depend on this
> property.
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