[jira] [Commented] (KAFKA-9984) Should fail the subscription when pattern is empty

2020-05-13 Thread Boyang Chen (Jira)


[ 
https://issues.apache.org/jira/browse/KAFKA-9984?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17106857#comment-17106857
 ] 

Boyang Chen commented on KAFKA-9984:


[~guozhang] Thanks!

> Should fail the subscription when pattern is empty
> --
>
> Key: KAFKA-9984
> URL: https://issues.apache.org/jira/browse/KAFKA-9984
> Project: Kafka
>  Issue Type: Bug
>  Components: consumer
>Reporter: Boyang Chen
>Priority: Major
>
> We have seen a case where the consumer subscribes to an empty string pattern:
> ```
> [Consumer ...  ] Subscribed to pattern:  ''
> ```
> which doesn't make any sense and usually indicate a configuration error. The 
> `consumer.subscribe(pattern)` call should fail with illegal argument for this 
> case.



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[jira] [Commented] (KAFKA-9984) Should fail the subscription when pattern is empty

2020-05-13 Thread Guozhang Wang (Jira)


[ 
https://issues.apache.org/jira/browse/KAFKA-9984?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17106549#comment-17106549
 ] 

Guozhang Wang commented on KAFKA-9984:
--

Sounds good to me :)

> Should fail the subscription when pattern is empty
> --
>
> Key: KAFKA-9984
> URL: https://issues.apache.org/jira/browse/KAFKA-9984
> Project: Kafka
>  Issue Type: Bug
>  Components: consumer
>Reporter: Boyang Chen
>Priority: Major
>
> We have seen a case where the consumer subscribes to an empty string pattern:
> ```
> [Consumer ...  ] Subscribed to pattern:  ''
> ```
> which doesn't make any sense and usually indicate a configuration error. The 
> `consumer.subscribe(pattern)` call should fail with illegal argument for this 
> case.



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