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https://issues.apache.org/jira/browse/FLINK-4559?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15462090#comment-15462090
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ASF GitHub Bot commented on FLINK-4559:
---------------------------------------

Github user tzulitai commented on the issue:

    https://github.com/apache/flink/pull/2470
  
    Thanks for the review @greghogan.
    I think it makes sense to let `AUTO` be the default, as the usual use case 
for most AWS users is to auto-detect the credentials delivered to instances by 
AWS's metadata service. Changing this should not break user code either. Would 
you like to open the ticket for that?


> Kinesis Producer not setting credentials provider properly when 
> AWS_CREDENTIALS_PROVIDER is "AUTO"
> --------------------------------------------------------------------------------------------------
>
>                 Key: FLINK-4559
>                 URL: https://issues.apache.org/jira/browse/FLINK-4559
>             Project: Flink
>          Issue Type: Bug
>          Components: Kinesis Connector
>    Affects Versions: 1.1.0, 1.1.1, 1.1.2
>            Reporter: Tzu-Li (Gordon) Tai
>            Assignee: Tzu-Li (Gordon) Tai
>            Priority: Minor
>             Fix For: 1.1.3
>
>
> If the {{AWS_CREDENTIAL_PROVIDER}} option is set to {{AUTO}}, 
> {{AWSUtils.getCredentialsProvider}} will return {{null}}, so 
> {{setCredentialsProvider}} should not be explicitly called on the internally 
> built {{KinesisProducerConfiguration}}.



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