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From "Guozhang Wang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KAFKA-6166) Streams configuration requires consumer. and producer. in order to be read
Date Tue, 30 Jan 2018 18:42:00 GMT

    [ https://issues.apache.org/jira/browse/KAFKA-6166?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16345589#comment-16345589
] 

Guozhang Wang commented on KAFKA-6166:
--------------------------------------

I think it should be considered as a regression: we introduced a bug in 0.11.0 onwards. But
we can also update the javadocs to make the point more clear.

> Streams configuration requires consumer. and producer. in order to be read
> --------------------------------------------------------------------------
>
>                 Key: KAFKA-6166
>                 URL: https://issues.apache.org/jira/browse/KAFKA-6166
>             Project: Kafka
>          Issue Type: Bug
>          Components: streams
>    Affects Versions: 0.11.0.0
>         Environment: Kafka 0.11.0.0
> JDK 1.8
> CoreOS
>            Reporter: Justin Manchester
>            Assignee: Filipe Agapito
>            Priority: Minor
>              Labels: newbie++, user-experience
>             Fix For: 1.1.0, 1.0.1
>
>
> Problem:
> In previous release you could specify a custom metrics reporter like so:
> Properties config = new Properties(); 
> config.put(StreamsConfig.BOOTSTRAP_SERVERS_CONFIG, "kafka-broker1:9092"); 
> config.put(StreamsConfig.METRIC_REPORTER_CLASSES_CONFIG, "com.mycompany.MetricReporter");

> config.put("custom-key-for-metric-reporter", "value");
> From 0.11.0.0 onwards this is no longer possible, as you have to specify consumer.custom-key-for-metric-reporter
or producer.custom-key-for-metric-reporter otherwise it's stripped out of the configuration.
> So, if you wish to use a metrics reporter and to collect producer and consumer metrics,
as well as kafka-streams metrics, that you would need to specify 3 distinct configs:
> 1) consumer.custom-key-for-metric-reporter 
> 2) producer.custom-key-for-metric-reporter 
> 3) custom-key-for-metric-reporter
> This appears to be a regression.



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