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https://issues.apache.org/jira/browse/HADOOP-16464?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran resolved HADOOP-16464.
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Resolution: Won't Fix
I don't see this being fixable. The whole point of auth mode is we don't need
to go near the store, and for a zero byte file, we can just return -1, always.
Closing as a WONTFIX; if people find this in the wild then we can point them as
this JIRA
> S3Guard in auth mode doesn't raise AccessDeniedException on read of 0-byte
> file
> -------------------------------------------------------------------------------
>
> Key: HADOOP-16464
> URL: https://issues.apache.org/jira/browse/HADOOP-16464
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 3.3.0
> Reporter: Steve Loughran
> Priority: Minor
>
> This falls out of auth mode knowing the length of a file and skipping any S3
> checks: it is not an error to read a 0-byte file, regardless of the
> readability of the file.
> * there's no check in open()
> * and read() just returns -1.
> I don't see if that is fixable, or if it merits. Maybe just include in the
> release notes
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