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Posted to issues@ozone.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2026/07/14 05:36:00 UTC
[jira] [Updated] (HDDS-15852) CopyObject to the same key with x-amz-metadata-directive: REPLACE is rejected as an illegal self-copy
[ https://issues.apache.org/jira/browse/HDDS-15852?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
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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