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Posted to common-dev@hadoop.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2019/07/26 13:59:00 UTC

[jira] [Created] (HADOOP-16464) S3Guard in auth mode doesn't raise AccessDeniedException on read of 0-byte file

Steve Loughran created HADOOP-16464:
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             Summary: 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


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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