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https://issues.apache.org/jira/browse/KAFKA-8888?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16926006#comment-16926006
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Chris Pettitt commented on KAFKA-8888:
--------------------------------------

Changing priority and correcting the description to reflect that this is not 
actually a bug, but would be an improvement, particularly for debugging in 
development environments.

> Possible to get null IQ value if reading from wrong instance
> ------------------------------------------------------------
>
>                 Key: KAFKA-8888
>                 URL: https://issues.apache.org/jira/browse/KAFKA-8888
>             Project: Kafka
>          Issue Type: Improvement
>          Components: streams
>            Reporter: Chris Pettitt
>            Priority: Minor
>
> Currently if you try to read a key from the wrong instance (i.e. the 
> partition that the key is mapped to is owned by a different instance) you get 
> null and no indication you're reading from the wrong instance. It would be 
> nice to get some indication that the instance is the wrong instance and not 
> that the value for the key is null.



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