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https://issues.apache.org/jira/browse/KAFKA-6652?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16412305#comment-16412305
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ASF GitHub Bot commented on KAFKA-6652:
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gitlw opened a new pull request #4769: KAFKA-6652: The controller should log
failed attempts to transition a replica to OfflineReplica state if there is no
leadership info
URL: https://github.com/apache/kafka/pull/4769
A controller can pick up a partially deleted topic where some partition
znodes
have been deleted by the previous controller. In that case, there will be no
leadership
info for the replica's partition, and hence trying to change the state of
the replica to OfflineReplica
will fail. This patch adds logs to indicate the failed attempts to change
the state.
There will be a separate PR to address the partially deleted topic issue.
### Committer Checklist (excluded from commit message)
- [ ] Verify design and implementation
- [ ] Verify test coverage and CI build status
- [ ] Verify documentation (including upgrade notes)
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> The controller should log failed attempts to transition a replica to
> OfflineReplica state if there is no leadership info
> ------------------------------------------------------------------------------------------------------------------------
>
> Key: KAFKA-6652
> URL: https://issues.apache.org/jira/browse/KAFKA-6652
> Project: Kafka
> Issue Type: Improvement
> Reporter: Lucas Wang
> Assignee: Lucas Wang
> Priority: Minor
>
> In certain conditions, the controller's attempt to transition a replica to
> OfflineReplica state could fail because there is no leadership info, e.g. the
> condition described in
> [KAFKA-6650|https://issues.apache.org/jira/browse/KAFKA-6650]. When that
> happens, there should be logs to indicate the failed state transitions.
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