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https://issues.apache.org/jira/browse/KAFKA-3969?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15382518#comment-15382518
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Vahid Hashemian commented on KAFKA-3969:
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Without diving much into the code, I think you might be running the new
consumer, in which case the correct consumer group command would be
{{bin/kafka-consumer-groups.sh --bootstrap-server localhost:9092 --new-consumer
--list}}. Could you give this one a try?
> kafka.admin.ConsumerGroupCommand doesn't show consumer groups
> -------------------------------------------------------------
>
> Key: KAFKA-3969
> URL: https://issues.apache.org/jira/browse/KAFKA-3969
> Project: Kafka
> Issue Type: Bug
> Affects Versions: 0.10.0.0
> Reporter: Dieter Plaetinck
>
> http://kafka.apache.org/documentation.html , at
> http://kafka.apache.org/documentation.html#basic_ops_consumer_lag says
> " Note, however, after 0.9.0, the kafka.tools.ConsumerOffsetChecker tool is
> deprecated and you should use the kafka.admin.ConsumerGroupCommand (or the
> bin/kafka-consumer-groups.sh script) to manage consumer groups, including
> consumers created with the new consumer API."
> I'm sure that i have a consumer running, because i wrote an app that is
> processing data, and i can see the data as well as the metrics that confirm
> it's receiving data. I'm using kafka 0.10
> Yet when I run the command as instructed, it doesn't list any consumer groups
> $ /opt/kafka_2.11-0.10.0.0/bin/kafka-run-class.sh
> kafka.admin.ConsumerGroupCommand --zookeeper localhost:2181 --list
> $
> So either something is wrong with the tool, or with the docs.
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