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https://issues.apache.org/jira/browse/KAFKA-7621?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16736981#comment-16736981
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Andrey Dyachkov commented on KAFKA-7621:
----------------------------------------

Hi, [~batzee]

Any updated on this?
 I am seeing similar behaviour 2.1.0, after restarting one Kafka broker and its 
ip is changed, the consumer is trying to connect to the ip address which is not 
there anymore, forever.


{code:java}
[Consumer clientId=consumer-18297, groupId=] Connection to node 67108872 
(/172.31.160.25:9092) could not be established. Broker may not be 
available.{code}

> Clients can't deal with server IP address change
> ------------------------------------------------
>
>                 Key: KAFKA-7621
>                 URL: https://issues.apache.org/jira/browse/KAFKA-7621
>             Project: Kafka
>          Issue Type: Bug
>          Components: clients
>    Affects Versions: 2.0.0
>            Reporter: Bastian Voigt
>            Priority: Major
>
> When the server IP address changes (and the corresponding DNS record changes, 
> of course), the client cannot deal with this. It keeps saying:
> {{Connection to node 0 could not be established. Broker may not be available}}



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