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https://issues.apache.org/jira/browse/HADOOP-13581?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15468237#comment-15468237
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Chris Nauroth commented on HADOOP-13581:
----------------------------------------
A specific example came up in discussion of rename during HADOOP-9819. The
specification includes this statement:
{code}
##### Renaming a file to self
Renaming a file to itself is a no-op; the result is `True`.
if isFile(FS, src) and src == dest :
FS' = FS
result = True
{code}
I confused myself by reading this statement and failing to realize that
HADOOP-9819 is really focused on {{FileContext}}. In that case,
{{FileContext#rename}} returns nothing and reports all errors as exceptions.
> Expand FileSystem specification to describe differences between FileSystem
> and FileContext.
> -------------------------------------------------------------------------------------------
>
> Key: HADOOP-13581
> URL: https://issues.apache.org/jira/browse/HADOOP-13581
> Project: Hadoop Common
> Issue Type: Improvement
> Components: fs
> Reporter: Chris Nauroth
> Priority: Minor
>
> Sometimes there are behavioral differences between using the {{FileSystem}}
> API and using the {{FileContext}} API. This issue proposes to enhance the
> specification to describe these differences in more detail.
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