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https://issues.apache.org/jira/browse/KAFKA-7808?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16742320#comment-16742320
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Guozhang Wang commented on KAFKA-7808:
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[~dongjin] I've left a comment on the PR about cherry-picking to older
branches, for now I've only marked its resolved version as 2.2.0.
> AdminClient#describeTopics should not throw InvalidTopicException 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
> Assignee: Lee Dongjin
> Priority: Major
> Fix For: 2.2.0
>
>
> In AdminClient#describeTopics, we have the following logic:
> {code:java}
> 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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