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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-14594) Use new DNS API introduced in HADOOP-12437
Date Wed, 14 Oct 2015 21:30:05 GMT

     [ https://issues.apache.org/jira/browse/HBASE-14594?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ted Yu updated HBASE-14594:
---------------------------
     Hadoop Flags: Reviewed
    Fix Version/s:     (was: 1.0.3)
                       (was: 1.2.1)
                   1.3.0
                   1.2.0

> Use new DNS API introduced in HADOOP-12437
> ------------------------------------------
>
>                 Key: HBASE-14594
>                 URL: https://issues.apache.org/jira/browse/HBASE-14594
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Josh Elser
>            Assignee: Josh Elser
>             Fix For: 2.0.0, 1.2.0, 1.3.0, 1.1.3, 0.98.16
>
>         Attachments: HBASE-14594.001.patch, HBASE-14594.002.patch
>
>
> HADOOP-12437 introduced a new API to {{org.apache.hadoop.net.DNS}}: {{getDefaultHost(String,
String, boolean)}}.
> The purpose of this method (the boolean argument really) is to change the functionality
so that when rDNS fails, {{InetAddress#getCanonicalHostName()}} is consulted which includes
resolution via the hosts file.
> The direct application of this new method is relevant on hosts with multiples NICs and
Kerberos enabled.
> Sadly, this method only exists in 2.8.0-SNAPSHOT, so to benefit from the fix without
great pain, some reflection is required.



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