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From "Tsz Wo Nicholas Sze (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6262) HDFS doesn't raise FileNotFoundException if the source of a rename() is missing
Date Tue, 22 Apr 2014 07:03:16 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6262?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13976468#comment-13976468
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Tsz Wo Nicholas Sze commented on HDFS-6262:
-------------------------------------------

HADOOP-6240 is a closely related JIRA.  Isn't the already fixed?

> HDFS doesn't raise FileNotFoundException if the source of a rename() is missing
> -------------------------------------------------------------------------------
>
>                 Key: HDFS-6262
>                 URL: https://issues.apache.org/jira/browse/HDFS-6262
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 2.4.0
>            Reporter: Steve Loughran
>            Assignee: Akira AJISAKA
>         Attachments: HDFS-6262.2.patch, HDFS-6262.patch
>
>
> HDFS's {{rename(src, dest)}} returns false if src does not exist -all the other filesystems
raise {{FileNotFoundException}}
> This behaviour is defined in {{FSDirectory.unprotectedRenameTo()}} -the attempt is logged,
but the operation then just returns false.
> I propose changing the behaviour of {{DistributedFileSystem}} to be the same as that
of the others -and of {{FileContext}}, which does reject renames with nonexistent sources



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