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https://issues.apache.org/jira/browse/CASSANDRA-10717?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15008567#comment-15008567
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Mike Adamson commented on CASSANDRA-10717:
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[~jlewandowski] I'm not that fussed because in your patch, if the 
{{AuthProvider}} is set it will overwrite the {{PlainTextAuthProvider}} anyway. 
The change I was proposing was to make this clearer in the code, that if the 
user provided a username, password and {{AuthProvider}} then the provided 
{{AuthProvider}} took precedence over the {{PlainTextAuthProvider}}.


> Changes from CASSANDRA-9353 makes Hadoop integration backward incompatible
> --------------------------------------------------------------------------
>
>                 Key: CASSANDRA-10717
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10717
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Jacek Lewandowski
>            Assignee: Jacek Lewandowski
>         Attachments: CqlConfigHelper_authentication_patch.patch
>
>
> Previously {{CqlInputFormat.getSplits(JobContext)}} method did not require 
> anything but providing username and password in order to work with password 
> protected Cassandra. Now, since CASSANDRA-9353 moved this part of the code 
> from Thrift to Java Driver, the user needs to explicitly select 
> {{AuthProvider}} to make it work.
> I propose a simple change in {{CqlConfigHelper}} which make 
> {{CqlConfigHelper.getCluster}} method set credentials on {{Cluster.Builder}} 
> if they are present in the configuration, prior to setting {{AuthProvider}}. 



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