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Message-ID: <23643869.308871294821106427.JavaMail.jira@thor>
Date: Wed, 12 Jan 2011 03:31:46 -0500 (EST)
From: "Jakob Homan (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
Subject: [jira] Commented: (HADOOP-6056) Use java.net.preferIPv4Stack to
 force IPv4
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    [ https://issues.apache.org/jira/browse/HADOOP-6056?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12980619#action_12980619 ] 

Jakob Homan commented on HADOOP-6056:
-------------------------------------

Todd, are you then +1ing HADOOP-6056.patch from 2010-03-18 12:47 PM? If so, please note it.

> Use java.net.preferIPv4Stack to force IPv4
> ------------------------------------------
>
>                 Key: HADOOP-6056
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6056
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: scripts
>    Affects Versions: 0.21.0, 0.22.0
>            Reporter: Steve Loughran
>            Assignee: Michele Catasta
>             Fix For: 0.22.0
>
>         Attachments: HADOOP-6056.patch, hadoop-6056.txt
>
>
> This was mentioned on HADOOP-3427, there is a property,  java.net.preferIPv4Stack, which you set to true for the java net process to switch to IPv4 everywhere. 
> As Hadoop doesn't work on IPv6, this should be set to true in the startup scripts. Hopefully this will ensure that Jetty will also pick it up.

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