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From "Doug Cutting (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-5463) Balancer throws "Not a host:port pair" unless port is specified in fs.default.name
Date Wed, 11 Mar 2009 20:10:50 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-5463?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Doug Cutting updated HADOOP-5463:

        Assignee: Stuart White
    Hadoop Flags: [Reviewed]
          Status: Patch Available  (was: Open)

Submitting to Hudson.  Hudson will complain that there's no test.  This would be difficult
to test w/o modifying Balancer more substantially, since we don't like to use fixed port numbers
in tests, and testing this requires a fixed port number.

> Balancer throws "Not a host:port pair" unless port is specified in fs.default.name
> ----------------------------------------------------------------------------------
>                 Key: HADOOP-5463
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5463
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.19.1
>            Reporter: Stuart White
>            Assignee: Stuart White
>            Priority: Minor
>         Attachments: patch.txt
>   Original Estimate: 1h
>  Remaining Estimate: 1h
> If fs.default.name is specified as only a hostname (with no port), balancer throws "Not
a host:port pair" and will not run.
> Workaround is to add default port 8020 to fs.default.name.
> According to Doug: "That's the work-around, but it's a bug.  One should not need to specify
the default port number (8020)."
> According to Raghu Angadi: "Balancer should use NameNode.getAddress(conf) to get NameNode
> See http://www.nabble.com/Not-a-host%3Aport-pair-when-running-balancer-td22459259.html
for discussion.

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