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https://issues.apache.org/jira/browse/HDFS-12101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17008258#comment-17008258
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Hadoop QA commented on HDFS-12101:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m  
0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red}  0m  8s{color} 
| {color:red} HDFS-12101 does not apply to trunk. Rebase required? Wrong 
Branch? See https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HDFS-12101 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12899177/HADOOP-14630-002.patch
 |
| Console output | 
https://builds.apache.org/job/PreCommit-HDFS-Build/28605/console |
| Powered by | Apache Yetus 0.8.0   http://yetus.apache.org |


This message was automatically generated.



> DFSClient.rename() to unwrap ParentNotDirectoryException; define policy for 
> renames under a file
> ------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-12101
>                 URL: https://issues.apache.org/jira/browse/HDFS-12101
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: fs
>    Affects Versions: 2.8.1
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Minor
>         Attachments: HADOOP-14630-001.patch, HADOOP-14630-002.patch
>
>
> HADOOP-14630 adds some contract tests trying to create files or rename files 
> *under other files*.
> On a rename under an existing file (or dir under an existing file), HDFS 
> fails throwing 
> {{org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.fs.ParentNotDirectoryException)}}.
>  
> # is throwing an exception here what people agree is the correct behaviour? 
> If so, it can go into the filesystem spec, tests set up to expect it. object 
> stores tweaked for consistency. If not, HDFS needs a change.
> # At the very least, HDFS should be unwrapping the exception.



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