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https://issues.apache.org/jira/browse/HADOOP-12548?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15144939#comment-15144939
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Matthew Paduano commented on HADOOP-12548:
------------------------------------------

I am not sure this is directly related to my original comment.   But you might 
be changing the *type* of the exception.  Things catching 
{{FileNotFoundException}} won't catch the IOE you re-throw...

> read s3 creds from a Credential Provider
> ----------------------------------------
>
>                 Key: HADOOP-12548
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12548
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: fs/s3
>            Reporter: Allen Wittenauer
>            Assignee: Larry McCay
>         Attachments: CredentialProviderAPIforS3FS-002.pdf, 
> HADOOP-12548-01.patch, HADOOP-12548-02.patch, HADOOP-12548-03.patch, 
> HADOOP-12548-04.patch, HADOOP-12548-05.patch, HADOOP-12548-06.patch, 
> HADOOP-12548-07.patch
>
>
> It would be good if we could read s3 creds from a source other than via a 
> java property/Hadoop configuration option



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