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From "sam rash (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-1109) HFTP and URL Encoding
Date Mon, 26 Apr 2010 15:31:32 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1109?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12860957#action_12860957
] 

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

Ah, I see.  I actually agree making the file part of the path is a cleaner approach (put the
resource there as the URI spec suggests).  I think my question was more about if there was
a way to do it w/o changing the HFTP api--I think the url encoding approach would maintain
compatibility.  A new client could url encode and by default, I believe jetty will url decode
the string and hence not require a server change.

that said, i don't object.  just throwing the thought out there

> 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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