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https://issues.apache.org/jira/browse/HADOOP-7830?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13152667#comment-13152667
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Harsh J commented on HADOOP-7830:
---------------------------------
Parent JIRA is: HADOOP-7806
> [DNS] Log a WARN when there's no matching interface and we are gonna use the
> default one.
> -----------------------------------------------------------------------------------------
>
> Key: HADOOP-7830
> URL: https://issues.apache.org/jira/browse/HADOOP-7830
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: util
> Affects Versions: 0.24.0
> Reporter: Harsh J
> Assignee: Harsh J
> Fix For: 0.24.0
>
>
> We do not currently log today when a requested interface is not found.
> Instead the code handles this by using the default interface instead, when
> the lookup result is null.
> We should log a WARN when this is done, instead of letting it sneak by.
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