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https://issues.apache.org/jira/browse/HADOOP-13648?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16156739#comment-16156739
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Steve Loughran commented on HADOOP-13648:
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there's a risk this break things unless its configurable, though I'd like to
change the default so that this doesn't throw an FNFE
{code}
hadoop fs -ls s3a:/bucket
{code}
...without a trailing / it qualifies to to the home dir, if that's not there,
exception
> s3a home directory to be "/"
> ----------------------------
>
> Key: HADOOP-13648
> URL: https://issues.apache.org/jira/browse/HADOOP-13648
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 2.8.0
> Reporter: Steve Loughran
> Priority: Minor
>
> The home directory of an s3a instances is {{/user/" +
> System.getProperty("user.name"))}}. As HADOOP-12774 notes, it gets the user
> wrong: if it were to be correct it should use the shortname of the current
> principal.
> I don't think the username is valid here at all. s3a buckets are not
> filesystems with users and permissions; all this per-user home dir appears to
> do is cause confusion, and end up putting the output of an {{hadoop fs -rm}}
> operation into a directory under it.
> If we made it "/" then it'd be the same for all users, and "/.Trash" would be
> where deleted files get copied to
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