[jira] [Commented] (HDFS-6262) HDFS doesn't raise FileNotFoundException if the source of a rename() is missing

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HDFS-6262?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14524857#comment-14524857 ] 

Hadoop QA commented on HDFS-6262:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:red}-1{color} | patch |   0m  0s | The patch command could not apply the patch during dryrun. |
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12641192/HDFS-6262.2.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / f1a152c |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/10632/console |


This message was automatically generated.

> 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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