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https://issues.apache.org/jira/browse/HDDS-16622?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chu Cheng Li reassigned HDDS-16622:
-----------------------------------
Assignee: Chu Cheng Li
> S3 conditional writes: If-None-Match with entity ETag should return 412
> PreconditionFailed
> ------------------------------------------------------------------------------------------
>
> Key: HDDS-16622
> URL: https://issues.apache.org/jira/browse/HDDS-16622
> Project: Apache Ozone
> Issue Type: Sub-task
> Components: Ozone Manager, s3gateway
> Reporter: Wei-Chiu Chuang
> Assignee: Chu Cheng Li
> Priority: Major
> Labels: conditional-requests, s3-compatibility
>
> h2. Problem
> Two ceph/s3-tests {{conditional_write}} cases reach conditional PUT/MPU logic
> but fail AWS parity for {{If-None-Match}} with a concrete entity ETag on an
> existing object.
> h2. Expected (AWS S3 / s3-tests)
> * HTTP 412 {{PreconditionFailed}} when {{If-None-Match}} matches the current
> object ETag.
> h2. Actual (Ozone S3 Gateway)
> * HTTP 400 {{InvalidRequest}} with message that only {{If-None-Match: *}} is
> supported for conditional put ({{S3ConditionalRequest.parseWriteConditions}}).
> h2. Affected tests (2/7 in conditional_write)
> * {{test_put_object_if_match}}
> * {{test_multipart_put_object_if_match}}
> h2. Evidence
> * Nightly report: [Apache Ozone S3 Compatibility
> Report|https://ozone.s3.peterxcli.dev/#trend-panel-section]
> * Same {{conditional_write}} feature group; failures stable across nightly
> runs.
> h2. Implementation notes (for a future fix)
> * Evaluate non-wildcard {{If-None-Match}} against current ETag and return 412
> when it matches; allow non-matching ETag to proceed (AWS behavior).
> * Apply consistently to {{PutObject}} and {{CompleteMultipartUpload}} (both
> use {{parseWriteConditions}}).
> h2. Related work
> Follow-up to resolved HDDS-13919 (S3 Conditional Writes PutObject) and
> HDDS-15067 (Conditional CompleteMultipartUpload).
> Parent: HDDS-13117
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