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https://issues.apache.org/jira/browse/HADOOP-17520?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17281349#comment-17281349
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Steve Loughran commented on HADOOP-17520:
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this is related to dynamic creation of role DT permissions
* FS is configured to use a DDB table (which doesn't exist, obviously)
* by falling back to Null metastore, the generated IAM role doesn't include any
DDB perms
* the new role comes up and looks to see if the bucket is there.
* and as getTableInfo is rejected, before any state can be determined,
> S3A to downgraded to unguarded if the DDB table cannot be found
> ---------------------------------------------------------------
>
> Key: HADOOP-17520
> URL: https://issues.apache.org/jira/browse/HADOOP-17520
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 3.3.0, 3.1.4, 3.2.2
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Priority: Major
>
> when an FNFE is raised in s3guard init, catch and downgrade to NullMetastore
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