[jira] [Resolved] (KAFKA-6005) Reject JoinGroup request from first member with empty protocol type/protocol list

["Jason Gustafson (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-6005?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jason Gustafson resolved KAFKA-6005.
------------------------------------
    Resolution: Fixed

Issue resolved by pull request 3957
[https://github.com/apache/kafka/pull/3957]

> Reject JoinGroup request from first member with empty protocol type/protocol list
> ---------------------------------------------------------------------------------
>
>                 Key: KAFKA-6005
>                 URL: https://issues.apache.org/jira/browse/KAFKA-6005
>             Project: Kafka
>          Issue Type: Bug
>            Reporter: Manikumar
>            Assignee: Manikumar
>            Priority: Minor
>             Fix For: 1.0.0
>
>
> Currently, if the first group member joins with empty partition.assignment.strategy, then the group won't allow any other members with valid protocols.  This JIRA is to add validation to reject JoinGroup requests from the first member with empty protocol type or empty protocol list
> Also, add consumer-side validations to check at least one partition assigner class name is configured while using subscribe APIs.



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