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https://issues.apache.org/jira/browse/KAFKA-4362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
huxi updated KAFKA-4362:
------------------------
Assignee: Jiangjie Qin (was: huxi)
> Offset commits fail after a partition reassignment
> --------------------------------------------------
>
> Key: KAFKA-4362
> URL: https://issues.apache.org/jira/browse/KAFKA-4362
> Project: Kafka
> Issue Type: Bug
> Affects Versions: 0.10.1.0
> Reporter: Joel Koshy
> Assignee: Jiangjie Qin
>
> When a consumer offsets topic partition reassignment completes, an offset
> commit shows this:
> {code}
> java.lang.IllegalArgumentException: Message format version for partition 100
> not found
> at
> kafka.coordinator.GroupMetadataManager$$anonfun$14.apply(GroupMetadataManager.scala:633)
> ~[kafka_2.10.jar:?]
> at
> kafka.coordinator.GroupMetadataManager$$anonfun$14.apply(GroupMetadataManager.scala:633)
> ~[kafka_2.10.jar:?]
> at scala.Option.getOrElse(Option.scala:120) ~[scala-library-2.10.4.jar:?]
> at
> kafka.coordinator.GroupMetadataManager.kafka$coordinator$GroupMetadataManager$$getMessageFormatVersionAndTimestamp(GroupMetadataManager.scala:632)
> ~[kafka_2.10.jar:?]
> at
> ...
> {code}
> The issue is that the replica has been deleted so the
> {{GroupMetadataManager.getMessageFormatVersionAndTimestamp}} throws this
> exception instead which propagates as an unknown error.
> Unfortunately consumers don't respond to this and will fail their offset
> commits.
> One workaround in the above situation is to bounce the cluster - the consumer
> will be forced to rediscover the group coordinator.
> (Incidentally, the message incorrectly prints the number of partitions
> instead of the actual partition.)
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