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Posted to common-dev@hadoop.apache.org by "Jeffrey Naisbitt (JIRA)" <ji...@apache.org> on 2011/07/18 15:29:57 UTC
[jira] [Reopened] (HADOOP-7314) Add support for throwing
UnknownHostException when a host doesn't resolve
[ https://issues.apache.org/jira/browse/HADOOP-7314?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jeffrey Naisbitt reopened HADOOP-7314:
--------------------------------------
Reopening since this still needs to be committed to the 0.20.205 release.
> Add support for throwing UnknownHostException when a host doesn't resolve
> -------------------------------------------------------------------------
>
> Key: HADOOP-7314
> URL: https://issues.apache.org/jira/browse/HADOOP-7314
> Project: Hadoop Common
> Issue Type: Improvement
> Affects Versions: 0.20.205.0, 0.23.0
> Reporter: Jeffrey Naisbitt
> Assignee: Jeffrey Naisbitt
> Fix For: 0.23.0
>
> Attachments: HADOOP-7314-0.20s.patch, HADOOP-7314-v2.patch, HADOOP-7314-v3.patch, HADOOP-7314.patch
>
>
> As part of MAPREDUCE-2489, we need support for having the resolve methods (for DNS mapping) throw UnknownHostExceptions. (Currently, they hide the exception). Since the existing 'resolve' method is ultimately used by several other locations/components, I propose we add a new 'resolveValidHosts' method.
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