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https://issues.apache.org/jira/browse/KAFKA-14245?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17791501#comment-17791501
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Matthew de Detrich commented on KAFKA-14245:
--------------------------------------------

Ill have a look into this to see if its still valid or not (and if it is ill 
try and implement a fix)

> Topic deleted during reassignment
> ---------------------------------
>
>                 Key: KAFKA-14245
>                 URL: https://issues.apache.org/jira/browse/KAFKA-14245
>             Project: Kafka
>          Issue Type: Bug
>    Affects Versions: 2.7.1
>            Reporter: Junyang Liu
>            Priority: Blocker
>
> When Doing partition reassignment, the partition should not be deleted. But 
> in the method "markTopicIneligibleForDeletion", topics need to be in 
> "controllerContext.topicsToBeDeleted" while this is usually false because 
> topics are not deleted at that time. This makes the topics doing reassignment 
> not able to be added to "topicsIneligibleForDeletion". So when topic deletion 
> comes, the topic in reassignment can also be deleted, which leads to the 
> result that the reassignment can never be finished.



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