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From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (HDFS-4502) WebHdfsFileSystem handling of ifile field breaks compatibility and breaks HttpFS
Date Thu, 14 Feb 2013 21:17:13 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4502?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13578686#comment-13578686
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Suresh Srinivas edited comment on HDFS-4502 at 2/14/13 9:15 PM:
----------------------------------------------------------------

bq. 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)

WebHdfsFileSystem interfaces with HDFS. I am not sure how HttpFS can use that to interface
with generic FS. Can you explain the relationship?
                
      was (Author: sureshms):
    bq. 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)

WebHdfsFileSystem interfaces with HDFS. I am not HttpFS can use that to interface with generic
FS. Can you explain the relationship?
                  
> 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: Bug
>          Components: webhdfs
>    Affects Versions: 3.0.0
>            Reporter: Alejandro Abdelnur
>            Priority: Blocker
>
> 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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