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https://issues.apache.org/jira/browse/HADOOP-12977?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15544873#comment-15544873
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Steve Loughran commented on HADOOP-12977:
-----------------------------------------
ooh, good point about "//". I'll add a test.
regarding the assert, yes, I'll cut it. I added the second bit in to do a dump
of what's going on, but clearly never hit that codepath again (I think it was
an s3 list inconstency).
> s3a ignores delete("/", true)
> -----------------------------
>
> Key: HADOOP-12977
> URL: https://issues.apache.org/jira/browse/HADOOP-12977
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 2.9.0
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Priority: Minor
> Attachments: HADOOP-12977-001.patch, HADOOP-12977-002.patch,
> HADOOP-12977-branch-2-002.patch, HADOOP-12977-branch-2-002.patch
>
>
> if you try to delete the root directory on s3a, you get politely but firmly
> told you can't
> {code}
> 2016-03-30 12:01:44,924 INFO s3a.S3AFileSystem
> (S3AFileSystem.java:delete(638)) - s3a cannot delete the root directory
> {code}
> The semantics of {{rm -rf "/"}} are defined, they are "delete everything
> underneath, while preserving the root dir itself".
> # s3a needs to support this.
> # this skipped through the FS contract tests in
> {{AbstractContractRootDirectoryTest}}; the option of whether deleting / works
> or not should be made configurable.
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