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https://issues.apache.org/jira/browse/KAFKA-14849?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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zou shengfu updated KAFKA-14849:
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Description:
1. At first, we modify the group.instance.id for consumers wrongly, so
different consumers have the same group.instance.id for a while.
2. After we rollbak the configuration about group.instance.id, consumers
receive INCONSISTENT_GROUP_PROTOCOL error even the configuration of all
consumers is same
3. Coordinator of this group accepts ten thousands of join group request from
consumers
!screenshot-1.png!
4. Consumers can get message normally after restarting the coordinator of this
group. I have upload the log about kafka broker and the group name is
mario_ad_stats_alo_va
was:
1. Consumers receive INCONSISTENT_GROUP_PROTOCOL error even the configuration
of all consumers is same
2. Coordinator of this group accepts ten thousands of join group request from
consumers
!screenshot-1.png!
3. Consumers can get message normally after restarting the coordinator of this
group.
> Kafka consumers receive INCONSISTENT_GROUP_PROTOCOL error even the
> configuration of all consumers is same
> ---------------------------------------------------------------------------------------------------------
>
> Key: KAFKA-14849
> URL: https://issues.apache.org/jira/browse/KAFKA-14849
> Project: Kafka
> Issue Type: Bug
> Components: consumer
> Affects Versions: 2.5.1
> Reporter: zou shengfu
> Priority: Major
> Attachments: screenshot-1.png, xaa, xab
>
>
> 1. At first, we modify the group.instance.id for consumers wrongly, so
> different consumers have the same group.instance.id for a while.
> 2. After we rollbak the configuration about group.instance.id, consumers
> receive INCONSISTENT_GROUP_PROTOCOL error even the configuration of all
> consumers is same
> 3. Coordinator of this group accepts ten thousands of join group request
> from consumers
> !screenshot-1.png!
> 4. Consumers can get message normally after restarting the coordinator of
> this group. I have upload the log about kafka broker and the group name is
> mario_ad_stats_alo_va
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