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https://issues.apache.org/jira/browse/HDFS-17040?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Tsz-wo Sze updated HDFS-17040:
------------------------------
    Component/s: ui
    Description: 
When uploading a file using -WebHDFS- the Namenode web UI, it will set the 
content type to application/x-www-form-urlencoded, as this is the default used 
by jQuery

https://github.com/apache/hadoop/blob/160b9fc3c9255024c00d487b7fcdf5ea59a42781/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/explorer.js#L516

This causes knox to urlencode the request body so that uploading a CVS file 
1,2,3 will result 1%2C2%2C3.

Instead of application/x-www-form-urlencoded I think the encoding should be set 
to application/octet-stream.

  was:
When uploading a file WebHDFS will set the content type to 
application/x-www-form-urlencoded, as this is the default used by jQuery

https://github.com/apache/hadoop/blob/160b9fc3c9255024c00d487b7fcdf5ea59a42781/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/explorer.js#L516

This causes knox to urlencode the request body so that uploading a CVS file 
1,2,3 will result 1%2C2%2C3.

Instead of application/x-www-form-urlencoded I think the encoding should be set 
to application/octet-stream.

        Summary: Namenode UI should set content type to 
application/octet-stream when uploading a file  (was: WebHDFS UI should set 
content type to application/octet-stream when uploading a file)

WebHDFS is a [REST 
API|https://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-hdfs/WebHDFS.html]
 which does not have a UI. The 
[explorer.js|https://github.com/apache/hadoop/blob/160b9fc3c9255024c00d487b7fcdf5ea59a42781/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/explorer.js#L516]
 file is from the Namenode web UI, which was designed many years ago to be used 
by a human with a browser. The Namenode web UI is never a public API. It 
probably is not following the http standard very strictly.  Of course, we 
should fix this problem.

[~amagyar], thanks a lot for filing this JIRA!

(Updating the Summary and Description ...)

> Namenode UI should set content type to application/octet-stream when 
> uploading a file
> -------------------------------------------------------------------------------------
>
>                 Key: HDFS-17040
>                 URL: https://issues.apache.org/jira/browse/HDFS-17040
>             Project: Hadoop HDFS
>          Issue Type: Task
>          Components: ui
>            Reporter: Attila Magyar
>            Priority: Major
>              Labels: pull-request-available
>
> When uploading a file using -WebHDFS- the Namenode web UI, it will set the 
> content type to application/x-www-form-urlencoded, as this is the default 
> used by jQuery
> https://github.com/apache/hadoop/blob/160b9fc3c9255024c00d487b7fcdf5ea59a42781/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/explorer.js#L516
> This causes knox to urlencode the request body so that uploading a CVS file 
> 1,2,3 will result 1%2C2%2C3.
> Instead of application/x-www-form-urlencoded I think the encoding should be 
> set to application/octet-stream.



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