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From "Arun Suresh (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-4448) Allow HA NN to start in secure mode with wildcard address configured
Date Thu, 23 Apr 2015 08:47:40 GMT

     [ https://issues.apache.org/jira/browse/HDFS-4448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arun Suresh updated HDFS-4448:
------------------------------
    Resolution: Fixed
        Status: Resolved  (was: Patch Available)

> Allow HA NN to start in secure mode with wildcard address configured
> --------------------------------------------------------------------
>
>                 Key: HDFS-4448
>                 URL: https://issues.apache.org/jira/browse/HDFS-4448
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: ha, namenode, security
>    Affects Versions: 2.0.3-alpha
>            Reporter: Aaron T. Myers
>            Assignee: Aaron T. Myers
>             Fix For: 2.8.0
>
>         Attachments: HDFS-4448.2.patch, HDFS-4448.patch, HDFS-4448.patch
>
>
> Currently if one tries to configure HA NNs use the wildcard HTTP address when security
is enabled, the NN will fail to start with an error like the following:
> {code}
> java.lang.IllegalArgumentException: java.io.IOException: Cannot use a wildcard address
with security. Must explicitly set bind address for Kerberos
> {code}
> This is the case even if one configures an actual address for the other NN's HTTP address.
There's no good reason for this, since we now check for the local address being set to 0.0.0.0
and determine the canonical hostname for Kerberos purposes using {{InetAddress.getLocalHost().getCanonicalHostName()}},
so we should remove the restriction.



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