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https://issues.apache.org/jira/browse/ARROW-10942?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Antoine Pitrou resolved ARROW-10942.
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Fix Version/s: 3.0.0
Resolution: Fixed
Issue resolved by pull request 8941
[https://github.com/apache/arrow/pull/8941]
> [C++] S3FileSystem::Impl::IsEmptyDirectory fails on Amazon S3
> -------------------------------------------------------------
>
> Key: ARROW-10942
> URL: https://issues.apache.org/jira/browse/ARROW-10942
> Project: Apache Arrow
> Issue Type: Bug
> Components: C++
> Affects Versions: 2.0.0
> Reporter: Juan Galvez
> Assignee: Antoine Pitrou
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.0.0
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> Running S3FileSystem::GetFileInfo() where the path is in the form
> "bucket-name/dir-name" and this is a bucket on AWS S3, it throws the
> following error:
> "When reading information for key 'dir-name' in bucket 'bucket-name': AWS
> Error [code 15]: No response body.
> I tracked down the issue to the IsEmptyDirectory method, and noticed that
> removing kSep from this line:
> req.SetKey(ToAwsString(key) + kSep);
> fixes the issue.
> However, I don't know why kSep is needed in the first place so I'm not sure
> what a good solution would be.
> Also, the key variable on entering IsEmptyDirectory is just the name of the
> directory (doesn't have separators).
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