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https://issues.apache.org/jira/browse/MAPREDUCE-2223?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12974427#action_12974427
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Konstantin Boudnik commented on MAPREDUCE-2223:
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Considering that the change is _very_ isolated and doesn't touch any source
code I have ran affected test only
{noformat}
[junit] Running org.apache.hadoop.cli.TestMRCLI
[junit] Tests run: 1, Failures: 0, Errors: 0, Time elapsed: 66.757 sec
{noformat}
and am going to commit it unless somebody has objection.
> 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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