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https://issues.apache.org/jira/browse/HADOOP-15140?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16323854#comment-16323854
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Steve Loughran commented on HADOOP-15140:
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bq. Or is it the case that we want to treat "s3a://bucket" like
"s3a://bucket/" and not throw an exception?
exactly. As that's what you get without s3guard.
I can't call getFileStatus on the root path without a stack trace. And this
surfaces in code which has a path p like {{s3a://bucket/file.txt}} and you can
getFileStatus(p.getParent()). The key of that parent is being mapped to "/" and
then s3guard is failing.
I'd recommend you start with tests (actually, this could go into one of the
hadoop-common contract tests as it is universal to all
{code}
getFileStatus(new Path("/"));
getFileStatus(new Path("/dir").getParent());
{code}
And see what happens. I expect the same outcome on s3guard as you get without
it.
> S3guard mistakes root URI without / as non-absolute path
> --------------------------------------------------------
>
> Key: HADOOP-15140
> URL: https://issues.apache.org/jira/browse/HADOOP-15140
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 3.0.0
> Reporter: Steve Loughran
> Assignee: Abraham Fine
>
> If you call {{getFileStatus("s3a://bucket")}} then S3Guard will throw an
> exception in putMetadata, as it mistakes the empty path for "non-absolute
> path"
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