David Jacot created KAFKA-16118: ----------------------------------- Summary: Coordinator unloading fails when replica is deleted Key: KAFKA-16118 URL: https://issues.apache.org/jira/browse/KAFKA-16118 Project: Kafka Issue Type: Sub-task Reporter: David Jacot Assignee: David Jacot
The new group coordinator always expects the leader epoch to be received when it must unload the metadata for a partition. However, in KRaft, the leader epoch is not passed when the replica is delete (e.g. after reassignment). {noformat} java.lang.IllegalArgumentException: The leader epoch should always be provided in KRaft. at org.apache.kafka.coordinator.group.GroupCoordinatorService.onResignation(GroupCoordinatorService.java:931) at kafka.server.metadata.BrokerMetadataPublisher.$anonfun$onMetadataUpdate$9(BrokerMetadataPublisher.scala:200) at kafka.server.metadata.BrokerMetadataPublisher.$anonfun$onMetadataUpdate$9$adapted(BrokerMetadataPublisher.scala:200) at kafka.server.metadata.BrokerMetadataPublisher.$anonfun$updateCoordinator$4(BrokerMetadataPublisher.scala:397) at java.base/java.lang.Iterable.forEach(Iterable.java:75) at kafka.server.metadata.BrokerMetadataPublisher.updateCoordinator(BrokerMetadataPublisher.scala:396) at kafka.server.metadata.BrokerMetadataPublisher.$anonfun$onMetadataUpdate$7(BrokerMetadataPublisher.scala:200) at kafka.server.metadata.BrokerMetadataPublisher.onMetadataUpdate(BrokerMetadataPublisher.scala:186) at org.apache.kafka.image.loader.MetadataLoader.maybePublishMetadata(MetadataLoader.java:382) at org.apache.kafka.image.loader.MetadataBatchLoader.applyDeltaAndUpdate(MetadataBatchLoader.java:286) at org.apache.kafka.image.loader.MetadataBatchLoader.maybeFlushBatches(MetadataBatchLoader.java:222) at org.apache.kafka.image.loader.MetadataLoader.lambda$handleCommit$1(MetadataLoader.java:406) at org.apache.kafka.queue.KafkaEventQueue$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:1583) at org.apache.kafka.common.utils.KafkaThread.run(KafkaThread.java:66){noformat} The side effect of this bug is that group coordinator loading/unloading fails. -- This message was sent by Atlassian Jira (v8.20.10#820010)