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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9123) Copying from the root to a subdirectory should be forbidden
Date Fri, 25 Sep 2015 08:30:05 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9123?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14907794#comment-14907794

Hudson commented on HDFS-9123:

FAILURE: Integrated in Hadoop-Hdfs-trunk #2357 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/2357/])
HDFS-9123. Copying from the root to a subdirectory should be forbidden. (Wei-Chiu Chuang via
Yongjun Zhang) (yzhang: rev 3187dbd7a8b6376134a00e5c9c4693d8eb762c9d)
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSShell.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/shell/CommandWithDestination.java

> Copying from the root to a subdirectory should be forbidden
> -----------------------------------------------------------
>                 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
>             Fix For: 2.8.0
>         Attachments: HDFS-9123.001.patch, HDFS-9123.002.patch, HDFS-9123.003.patch, HDFS-9123.004.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,...
> However, the existing path validation fails if the source path is the root, causing infinite
copying, until the disk space is filled up.

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