dybyte opened a new pull request, #23382:
URL: https://github.com/apache/kafka/pull/23382
## Summary
Config topic compaction can leave an active connector without usable task
configs when a task commit is replayed before the connector's latest config
record.
This change:
- marks affected active connectors as inconsistent
- prevents tasks from starting without their configs
- republishes the leader's task configs when they are available
- restarts a STARTED connector to regenerate configs when the leader also
cannot reconstruct them
- retries transient failures with backoff and requests a rejoin for stale,
deleted, or stopped assignments
The recovery endpoint is internal and uses existing inter-worker request
validation. This does not change the public API, config topic record format,
or user configuration.
## Testing
Added unit tests for compacted-log replay, leader and follower recovery,
retry and rejoin behavior, cooperative connector reassignment, and internal
request validation.
Co-Authored-By: Codex
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