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From "sathish (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-6068) Disallow snapshot names that are also invalid directory names
Date Fri, 07 Mar 2014 07:54:44 GMT

     [ https://issues.apache.org/jira/browse/HDFS-6068?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

sathish updated HDFS-6068:
--------------------------

    Status: Patch Available  (was: Open)

> Disallow snapshot names that are also invalid directory names
> -------------------------------------------------------------
>
>                 Key: HDFS-6068
>                 URL: https://issues.apache.org/jira/browse/HDFS-6068
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: snapshots
>    Affects Versions: 2.4.0
>            Reporter: Andrew Wang
>            Assignee: sathish
>         Attachments: HDFS-6068-0001.patch
>
>
> There are a number of restrictions on valid names in HDFS. For example, you can't name
a directory "." or "..", or something containing a ":".
> However, I can happily create a snapshot named "a:b:c", resulting in this:
> {code}
> -> % hdfs dfs -createSnapshot /home/andrew a:b:c
> Created snapshot /home/andrew/.snapshot/a:b:c
> -> % hadoop fs -ls /home/andrew/.snapshot
> -ls: java.net.URISyntaxException: Relative path in absolute URI: a:b:c
> Usage: hadoop fs [generic options] -ls [-d] [-h] [-R] [<path> ...]
> {code}



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