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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4502) WebHdfsFileSystem handling of ifile field breaks compatibility and breaks HttpFS
Date Wed, 20 Feb 2013 01:57:13 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4502?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13581862#comment-13581862
] 

Tsz Wo (Nicholas), SZE commented on HDFS-4502:
----------------------------------------------

> ... now, why WebHdfsFileSystem is creating an HdfsFIleSstatus, ...

Let's me also ask you a question: why DistributedFileSystem is creating HdfsFIleSstatus but
not FileStatus?
                
> WebHdfsFileSystem handling of ifile field breaks compatibility and breaks HttpFS
> --------------------------------------------------------------------------------
>
>                 Key: HDFS-4502
>                 URL: https://issues.apache.org/jira/browse/HDFS-4502
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: webhdfs
>    Affects Versions: 3.0.0
>            Reporter: Alejandro Abdelnur
>            Assignee: Brandon Li
>            Priority: Blocker
>         Attachments: HDFS-4502.patch
>
>
> HDFS-4340 introduced a new field {{fileId}} in WebHDFS FileStatus JSON representation.
> There are a two issues with this:
> * This is changing the WebHDFS REST API, this has not been documented
> * WebHdfsFileSystem should not fail when that field is not present (This is the case
when using HttpFS against a FS implementation -other than HDFS- which does not handle fileId)

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