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https://issues.apache.org/jira/browse/KAFKA-7808?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16738687#comment-16738687
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Ismael Juma commented on KAFKA-7808:
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cc [~cmccabe]
> AdminClient#describeTopic should not throw InvalidTopic if topic name is not
> found
> ----------------------------------------------------------------------------------
>
> Key: KAFKA-7808
> URL: https://issues.apache.org/jira/browse/KAFKA-7808
> Project: Kafka
> Issue Type: Bug
> Components: admin, core
> Reporter: Guozhang Wang
> Priority: Major
>
> In AdminClient#describeTopic, we have the following logic:
> {code}
> if (!cluster.topics().contains(topicName)) {
> future.completeExceptionally(new
> InvalidTopicException("Topic " + topicName + " not found."));
> continue;
> }
> {code}
> However, {{InvalidTopicException}} is a non-retriable exception and is used
> to indicate that topic contains invalid chars or topic name is too long etc,
> and hence not correct to use. We should, instead, throw the retriable
> {{UnknownTopicOrPartitionException}} instead.
> We should make sure any callers on this logic should be cleaned up when
> fixing it.
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