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From "Arpit Gupta (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2316) webhdfs: a complete FileSystem implementation for accessing HDFS over HTTP
Date Mon, 07 Nov 2011 23:28:53 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2316?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13145939#comment-13145939
] 

Arpit Gupta commented on HDFS-2316:
-----------------------------------

{quote}
Regarding #5, assuming that that is the case (that clients would do the conversion), would
you please tell me what kind of libraries would help to do such conversion by having the root/array
names as being proposed? And how this conversion is made simple by having those elements?
{quote}

One can use http://www.json.org/java/index.html to convert json into an xml string and then
create a java dom object. If the root element is not present one will get an exception when
building a dom object.
                
> webhdfs: a complete FileSystem implementation for accessing HDFS over HTTP
> --------------------------------------------------------------------------
>
>                 Key: HDFS-2316
>                 URL: https://issues.apache.org/jira/browse/HDFS-2316
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Tsz Wo (Nicholas), SZE
>         Attachments: WebHdfsAPI20111020.pdf, WebHdfsAPI20111103.pdf
>
>
> We current have hftp for accessing HDFS over HTTP.  However, hftp is a read-only FileSystem
and does not provide "write" accesses.
> In HDFS-2284, we propose to have webhdfs for providing a complete FileSystem implementation
for accessing HDFS over HTTP.  The is the umbrella JIRA for the tasks.

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