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From "Eli Collins (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-1109) HFTP and URL Encoding
Date Tue, 28 Jun 2011 22:45:28 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1109?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13056863#comment-13056863
] 

Eli Collins commented on HDFS-1109:
-----------------------------------

Does HDFS-1317 fix all the remaining issues, it looks like DfsServlet is still generating
redirects  using the filename parameter.

> HFTP and URL Encoding
> ---------------------
>
>                 Key: HDFS-1109
>                 URL: https://issues.apache.org/jira/browse/HDFS-1109
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: contrib/hdfsproxy, data-node
>    Affects Versions: 0.20.1, 0.20.2, 0.20.3, 0.21.0, 0.22.0
>            Reporter: Dmytro Molkov
>            Assignee: Dmytro Molkov
>             Fix For: 0.22.0
>
>         Attachments: HDFS-1109.2.patch, HDFS-1109.2_y0.20.1xx.patch, HDFS-1109.2_y0.20.1xx_incremental.patch,
HDFS-1109.patch
>
>
> 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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