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https://issues.apache.org/jira/browse/HADOOP-5086?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris Douglas updated HADOOP-5086:
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    Attachment: 5086-1.patch

bq. it would be useful if the test were reusable by HDFS, so that it could, 
e.g., subclass the core test to run things on a mini cluster.

Good idea. Moved trash tests to fs, HDFS test of trash to a subclass.

> Trash URI semantics can be relaxed
> ----------------------------------
>
>                 Key: HADOOP-5086
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5086
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: fs
>    Affects Versions: 0.18.0
>            Reporter: Chris Douglas
>            Priority: Minor
>         Attachments: 5086-0.patch, 5086-1.patch
>
>
> When using fully qualified URIs with FsShell, the authority element of the 
> URI must match the default filesystem exactly, or else one may get an error 
> message when the trash is enabled:
> {noformat}
> $ hadoop fs -rmr hdfs://namenode1/user/foo/bar
> rmr: Wrong FS: hdfs://namenode1/user/foo/bar, expected: 
> hdfs://namenode1.foobar.com
> Usage: java FsShell [-rmr <path>]
> $ hadoop fs -rmr hdfs://namenode1.foobar.com/user/foo/bar
> $
> {noformat}
> It should be possible to use the FileSystem for the Path provided rather than 
> the default FileSystem. 0.17 was less particular about this.

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