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Posted to jira@kafka.apache.org by "Kamal Chandraprakash (JIRA)" <ji...@apache.org> on 2018/10/17 09:12:00 UTC

[jira] [Assigned] (KAFKA-5846) Use singleton NoOpConsumerRebalanceListener in subscribe() call where listener is not specified

     [ https://issues.apache.org/jira/browse/KAFKA-5846?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kamal Chandraprakash reassigned KAFKA-5846:
-------------------------------------------

    Assignee:     (was: Kamal Chandraprakash)

> Use singleton NoOpConsumerRebalanceListener in subscribe() call where listener is not specified
> -----------------------------------------------------------------------------------------------
>
>                 Key: KAFKA-5846
>                 URL: https://issues.apache.org/jira/browse/KAFKA-5846
>             Project: Kafka
>          Issue Type: Task
>          Components: clients
>            Reporter: Ted Yu
>            Priority: Minor
>
> Currently KafkaConsumer creates instance of NoOpConsumerRebalanceListener for each subscribe() call where ConsumerRebalanceListener is not specified:
> {code}
>     public void subscribe(Pattern pattern) {
>         subscribe(pattern, new NoOpConsumerRebalanceListener());
> {code}
> We can create a singleton NoOpConsumerRebalanceListener to be used in such scenarios.



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