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https://issues.apache.org/jira/browse/MAPREDUCE-3239?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13132888#comment-13132888
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Todd Lipcon commented on MAPREDUCE-3239:
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The test failure is due to a test that sets the RM address to "local" and makes
sure it throws an exception. But this patch has a change that allows you to
specify just a hostname without a port, and it will use the default port, so
"local" is interpreted as "local:8040". I think the patch is correct here, and
we should change the test to give an invalid address like "invalid:invalid"
which would fail parsing. Do you agree, Mahadev?
> Use new createSocketAddr API in MRv2 to give better error messages on
> misconfig
> -------------------------------------------------------------------------------
>
> Key: MAPREDUCE-3239
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3239
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: mrv2
> Affects Versions: 0.23.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Priority: Minor
> Attachments: mr-3239.txt
>
>
> HADOOP-7749 added a NetUtils call which will include the configuration name
> as part of the exception message. This is handy if you accidentally specify
> some invalid string, or forget to specify a required parameter. This JIRA is
> to make MR2 use the new API.
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