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From "Wei-Chiu Chuang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-9123) Validation of a path ended with a '/'
Date Tue, 22 Sep 2015 23:57:04 GMT

     [ https://issues.apache.org/jira/browse/HDFS-9123?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Wei-Chiu Chuang updated HDFS-9123:
----------------------------------
    Attachment: HDFS-9123.001.patch

> Validation of a path ended with a '/'
> -------------------------------------
>
>                 Key: HDFS-9123
>                 URL: https://issues.apache.org/jira/browse/HDFS-9123
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: fs
>            Reporter: Wei-Chiu Chuang
>            Assignee: Wei-Chiu Chuang
>            Priority: Minor
>         Attachments: HDFS-9123.001.patch
>
>
> HDFS forbids copying from a directory to its subdirectory (e.g. hdfs dfs -cp /abc /abc/xyz)
as otherwise it could cause infinite copying (/abc/xyz/xyz, /abc/xyz/xyz, /abc/xyz/xyz/xyz,...
etc)
> However, if the source path is ended with a '/' path separator, the existing validation
for sub-directories fails. For example, copying from / to /abc would cause infinite copying,
until the disk space is filled up.



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