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https://issues.apache.org/jira/browse/HDDS-8183?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hui Fei resolved HDDS-8183.
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Resolution: Fixed
> Fix edge case where delimiter is empty string in BucketEndpoint#get
> -------------------------------------------------------------------
>
> Key: HDDS-8183
> URL: https://issues.apache.org/jira/browse/HDDS-8183
> Project: Apache Ozone
> Issue Type: Bug
> Components: S3
> Reporter: Ivan Andika
> Assignee: Ivan Andika
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.4.0
>
> Attachments: image-2023-03-16-15-47-34-674.png,
> image-2023-03-16-15-49-48-168.png
>
>
> Let's say there are three keys:
> * subdir_1/
> * subdir_1/subdir_1_1/
> * subdir_1/subdir_1_1/readme.md
> Prefix is subdir_1/
> When delimiter query parameter is empty string (""), all the keys are
> returned as CommonPrefixes instead of the supposed Contents.
> !image-2023-03-16-15-47-34-674.png|width=460,height=363!
> When the delimiter query parameter is removed, it returns the expected data
> !image-2023-03-16-15-49-48-168.png|width=419,height=460!
> The problem was encountered when a user is trying to use Minio S3 client
> commands with recursive flag (e.g. {{{}mc cp -r{}}}). Minio client sends
> empty string as delimiter instead.
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