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https://issues.apache.org/jira/browse/KAFKA-15036?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Deng Ziming resolved KAFKA-15036.
---------------------------------
Resolution: Fixed
> Kraft leader change fails when invoking getFinalizedFeatures
> ------------------------------------------------------------
>
> Key: KAFKA-15036
> URL: https://issues.apache.org/jira/browse/KAFKA-15036
> Project: Kafka
> Issue Type: Improvement
> Reporter: Deng Ziming
> Assignee: Deng Ziming
> Priority: Major
>
> When kraft leader changes, we can receiving a error as follows:
>
> {{[2023-05-24 18:00:02,898] WARN [QuorumController id=3002]
> getFinalizedFeatures: failed with unknown server exception RuntimeException
> in 271 us. The controller is already in standby mode.
> (org.apache.kafka.controller.QuorumController)
> java.lang.RuntimeException: No in-memory snapshot for epoch 9. Snapshot
> epochs are:
> at
> org.apache.kafka.timeline.SnapshotRegistry.getSnapshot(SnapshotRegistry.java:173)
> at
> org.apache.kafka.timeline.SnapshotRegistry.iterator(SnapshotRegistry.java:131)
> at org.apache.kafka.timeline.TimelineObject.get(TimelineObject.java:69)
> at
> org.apache.kafka.controller.FeatureControlManager.finalizedFeatures(FeatureControlManager.java:303)
> at
> org.apache.kafka.controller.QuorumController.lambda$finalizedFeatures$16(QuorumController.java:2016)
> at
> org.apache.kafka.controller.QuorumController$ControllerReadEvent.run(QuorumController.java:546)
> at
> org.apache.kafka.queue.KafkaEventQueue$EventContext.run(KafkaEventQueue.java:127)
> at
> org.apache.kafka.queue.KafkaEventQueue$EventHandler.handleEvents(KafkaEventQueue.java:210)
> at
> org.apache.kafka.queue.KafkaEventQueue$EventHandler.run(KafkaEventQueue.java:181)
> at java.base/java.lang.Thread.run(Thread.java:829)}}
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