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Posted to common-issues@hadoop.apache.org by "Sherry Chen (JIRA)" <ji...@apache.org> on 2011/07/13 20:42:59 UTC

[jira] [Updated] (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 ]

Sherry Chen updated HADOOP-7314:
--------------------------------

    Affects Version/s: 0.20.205.0

> 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
>            Reporter: Jeffrey Naisbitt
>            Assignee: Jeffrey Naisbitt
>         Attachments: HADOOP-7314-v2.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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