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https://issues.apache.org/jira/browse/KAFKA-1668?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14159471#comment-14159471
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Manikumar Reddy commented on KAFKA-1668:
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Created reviewboard https://reviews.apache.org/r/26351/diff/
against branch origin/trunk
> TopicCommand doesn't warn if --topic argument doesn't match any topics
> ----------------------------------------------------------------------
>
> Key: KAFKA-1668
> URL: https://issues.apache.org/jira/browse/KAFKA-1668
> Project: Kafka
> Issue Type: Bug
> Components: tools
> Reporter: Ryan Berdeen
> Priority: Minor
> Labels: newbie
> Attachments: KAFKA-1668.patch
>
>
> Running {{kafka-topics.sh --alter}} with an invalid {{--topic}} argument
> produces no output and exits with 0, indicating success.
> {code}
> $ bin/kafka-topics.sh --topic does-not-exist --alter --config invalid=xxx
> --zookeeper zkhost:2181
> $ echo $?
> 0
> {code}
> An invalid topic name or a regular expression that matches 0 topics should at
> least print a warning.
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