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Posted to issues@fluss.apache.org by "wuchong (via GitHub)" <gi...@apache.org> on 2026/08/20 04:13:27 UTC

[PR] [test] Wait for local leader readiness [fluss]

wuchong opened a new pull request, #4053:
URL: https://github.com/apache/fluss/pull/4053

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   ### Purpose
   
   Linked issue: close #4052
   
   `LogFetcherITCase#testFetchWithSchemaChange` failed in [this CI job](https://github.com/apache/fluss/actions/runs/32277065376/job/96146976916?pr=3233) because `waitAndGetLeader` returned the ZooKeeper-assigned leader before that TabletServer had completed its local leader transition. The test could then send a leader-only request too early and receive an error response without `base_offset`.
   
   ### Brief change log
   
   - Make `FlussClusterExtension#waitAndGetLeader` wait for both the ZooKeeper leader assignment and the corresponding locally ready leader replica.
   - Document the stronger readiness guarantee.
   
   ### Tests
   
   - `./mvnw -pl fluss-client -am -Dtest=LogFetcherITCase#testFetchWithSchemaChange -Dsurefire.failIfNoSpecifiedTests=false test`
   
   ### API and Format
   
   No API or format changes.
   
   ### Documentation
   
   No documentation changes.
   
   ### Generative AI disclosure
   
   - [x] Yes — Codex (gpt-5.6-sol). All changes were reviewed before submission.


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Re: [PR] [test] Wait for local leader readiness [fluss]

Posted by "wuchong (via GitHub)" <gi...@apache.org>.
wuchong merged PR #4053:
URL: https://github.com/apache/fluss/pull/4053


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