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https://issues.apache.org/jira/browse/HDDS-15852?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated HDDS-15852:
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Labels: pull-request-available (was: )
> CopyObject to the same key with x-amz-metadata-directive: REPLACE is rejected
> as an illegal self-copy
> -----------------------------------------------------------------------------------------------------
>
> Key: HDDS-15852
> URL: https://issues.apache.org/jira/browse/HDDS-15852
> Project: Apache Ozone
> Issue Type: Sub-task
> Reporter: Huang Kuan Hao
> Assignee: Huang Kuan Hao
> Priority: Major
> Labels: pull-request-available
>
> A CopyObject request whose source and destination are the same key, carrying
> x-amz-metadata-directive: REPLACE (the canonical way to update an object's
> user metadata in place), is rejected by the S3 Gateway with 400
> InvalidRequest: "This copy request is illegal because it is trying to copy an
> object to it self ... without changing the object's metadata, storage class,
> ...".
> AWS S3 permits a self-copy as long as at least one attribute is being changed
> — user metadata (x-amz-metadata-directive: REPLACE), tag set
> (x-amz-tagging-directive: REPLACE), storage class, encryption, or
> website-redirect location.
> Ozone's self-copy guard only accounts for the storage-class case. In
> ObjectEndpoint.java, when source bucket/key equal destination bucket/key it
> throws whenever storageTypeDefault is true (i.e. no x-amz-storage-class
> header), ignoring the metadata and tagging directives entirely. As a result
> an in-place metadata (or tag) replacement is wrongly rejected, even though
> the guard's own message claims it only fires "without changing the object's
> metadata".
> Expected: self-copy with x-amz-metadata-directive: REPLACE succeeds and
> replaces the user metadata.
> Actual: 400 InvalidRequest.
> Ref: [https://ozone.s3.peterxcli.dev/]
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