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https://issues.apache.org/jira/browse/HADOOP-14291?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15969420#comment-15969420
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Steve Loughran commented on HADOOP-14291:
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+ [~ehiggs] [~Thomas Demoor]
> S3a "No auth" message to include diagnostics
> --------------------------------------------
>
> Key: HADOOP-14291
> URL: https://issues.apache.org/jira/browse/HADOOP-14291
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 2.8.0
> Reporter: Steve Loughran
>
> There's a whole section in s3a troubleshooting because requests can get auth
> failures for many reasons, including
> * no credentials
> * wrong credentials
> * right credentials, wrong bucket
> * wrong endpoint for v4 auth
> * trying to use private S3 server without specifying endpoint, so AWS being
> hit
> * clock out
> * joda time
> ....
> We can aid with debugging this by including as much as we can in in the
> message and a URL To a new S3A bad auth wiki page.
> Info we could include
> * bucket
> * fs.s3a.endpoint
> * nslookup of endpoint
> * Anything else relevant but not a security risk
> Goal; people stand a chance of working out what is failing within a bounded
> time period
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