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Posted to mapreduce-issues@hadoop.apache.org by "Tom White (JIRA)" <ji...@apache.org> on 2010/12/21 20:28:01 UTC

[jira] Commented: (MAPREDUCE-2223) TestMRCLI might fail on Ubuntu with default /etc/hosts

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2223?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12973831#action_12973831 ] 

Tom White commented on MAPREDUCE-2223:
--------------------------------------

+1

> TestMRCLI might fail on Ubuntu with default /etc/hosts
> ------------------------------------------------------
>
>                 Key: MAPREDUCE-2223
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2223
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 0.23.0
>            Reporter: Konstantin Boudnik
>            Assignee: Konstantin Boudnik
>            Priority: Minor
>         Attachments: MAPREDUCE-2223.patch
>
>
> Depending on the order of entries in /etc/hosts, TestCLI can fail. This is because it sets fs.default.name to "localhost", and then the bound IPC socket on the NN side reports its hostname as "foobar-host" if the entry for 127.0.0.1 lists "foobar-host" before "localhost". This seems to be the default in some versions of Ubuntu.

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