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From: "Gabriel Nicolas Avellnaeda (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (KAFKA-2601) ConsoleProducer tool shows
 stacktrace on invalid command parameters
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    [ https://issues.apache.org/jira/browse/KAFKA-2601?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14939785#comment-14939785 ] 

Gabriel Nicolas Avellnaeda commented on KAFKA-2601:
---------------------------------------------------

Hi [~eribeiro], 

Yeap, easy fix, I will do a PR right now,

Thanks you!

> ConsoleProducer tool shows stacktrace on invalid command parameters
> -------------------------------------------------------------------
>
>                 Key: KAFKA-2601
>                 URL: https://issues.apache.org/jira/browse/KAFKA-2601
>             Project: Kafka
>          Issue Type: Bug
>          Components: tools
>    Affects Versions: 0.8.2.1
>            Reporter: Gabriel Nicolas Avellnaeda
>            Priority: Minor
>              Labels: easyfix
>
> Running kafka-console-producer tool with an invalid argument shows a full stack trace instead of a user-friendly error:
> {code}
> vagrant@vagrant-ubuntu-trusty-64:/vagrant/kafka/kafka_2.9.1-0.8.2.1$ bin/kafka-console-producer.sh --zookeeper localhost:2181 --topic another-topic
> Exception in thread "main" joptsimple.UnrecognizedOptionException: 'zookeeper' is not a recognized option
>         at joptsimple.OptionException.unrecognizedOption(OptionException.java:93)
>         at joptsimple.OptionParser.handleLongOptionToken(OptionParser.java:402)
>         at joptsimple.OptionParserState$2.handleArgument(OptionParserState.java:55)
>         at joptsimple.OptionParser.parse(OptionParser.java:392)
>         at kafka.tools.ConsoleProducer$ProducerConfig.<init>(ConsoleProducer.scala:216)
>         at kafka.tools.ConsoleProducer$.main(ConsoleProducer.scala:35)
>         at kafka.tools.ConsoleProducer.main(ConsoleProducer.scala)
> {code}



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