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https://issues.apache.org/jira/browse/HADOOP-12548?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15145183#comment-15145183
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Chris Nauroth commented on HADOOP-12548:
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Hi [~mattpaduano]. I think this is because the jceks provider is implemented
as "create keystore on first use". The relevant code for this is in
{{org.apache.hadoop.security.alias.AbstractJavaKeyStoreProvider}}. I don't
know for sure if it's an intentional design choice or a bug that this behavior
kicks in at read time through {{Configuration#getPassword}}. [~lmccay], maybe
you know better?
If there is a problem in there, then let's address it outside the scope of this
patch and instead file a new JIRA.
> 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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