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https://issues.apache.org/jira/browse/KAFKA-5874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16171662#comment-16171662
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Viliam Durina commented on KAFKA-5874:
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Thanks for the fix. But it should not only check there's at least one command,
but also that there are no unrecognized elements on command line.
> Incorrect command line handling
> -------------------------------
>
> Key: KAFKA-5874
> URL: https://issues.apache.org/jira/browse/KAFKA-5874
> Project: Kafka
> Issue Type: Bug
> Components: admin
> Affects Versions: 0.10.2.0, 0.11.0.0
> Environment: Probably unrelated, but Windows 10 in this case
> Reporter: Viliam Durina
> Assignee: huxihx
> Priority: Minor
>
> Extra parameters on command line are silently ignored. This leads to
> confusion. For example, I did this command:
> {{kafka-topics.bat --alter --topic my_topic partitions 3 --zookeeper
> localhost}}
> Seemingly innocuous command took about 3 seconds and output nothing. It took
> me a while to realize I missed "--" before "partitions", after which I got a
> confirmation on output.
> Erroneous command lines should produce error output.
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