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Date: Sun, 25 Apr 2010 16:23:50 -0400 (EDT)
From: "sam rash (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Subject: [jira] Commented: (HDFS-1109) HFTP and URL Encoding
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    [ https://issues.apache.org/jira/browse/HDFS-1109?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12860753#action_12860753 ] 

sam rash commented on HDFS-1109:
--------------------------------

just curious, why not url encode the +?

http://blooberry.com/indexdot/html/topics/urlencoding.htm

%2B would result in '+'

(w/o examples, maybe I don't see the precise problem, sorry)


> HFTP and URL Encoding
> ---------------------
>
>                 Key: HDFS-1109
>                 URL: https://issues.apache.org/jira/browse/HDFS-1109
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 0.20.1, 0.20.2, 0.20.3, 0.21.0, 0.22.0
>            Reporter: Dmytro Molkov
>            Assignee: Dmytro Molkov
>
> We just saw this error happen in our cluster. If there is a file that has a "+" sign in the name it is not readable through HFTP protocol.
> The problem is when we are reading a file with HFTP we are passing a name of the file as a parameter in request and + gets undecoded into space on the server side. So the datanode receiving the streamFile request tries to access a file with space instead of + in the name and doesn't find that file.
> The proposed solution is to pass the filename as a part of URL as with all the other HFTP commands, since this is the only place where it is not being treated this way. Are there any objections to this?

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