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From "Eric Yang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-15966) Hadoop Kerberos broken on macos as java.security.krb5.realm is reset: Null realm name (601)
Date Wed, 05 Dec 2018 16:59:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-15966?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16710345#comment-16710345
] 

Eric Yang commented on HADOOP-15966:
------------------------------------

[~stevel@apache.org] The patch is fine.  I am more concerned about the recommendation description
in this JIRA that the realm can be defined in HADOOP_CLIENT_OPTS, which is misleading.  The
realm is better applied to HADOOP_OPTS to ensure client and server have the same coverage,
if someone chose to build a cluster out of Mac.

> Hadoop Kerberos broken on macos as java.security.krb5.realm is reset: Null realm name
(601)
> -------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-15966
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15966
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: scripts
>    Affects Versions: 3.0.3
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Major
>             Fix For: 3.0.4, 3.2.1, 3.1.3
>
>         Attachments: HADOOP-15966-001.patch
>
>
> HADOOP-8719 may have been valid at some point, but since then the world has moved on
> * nobody should be using Hadoop without Kerberos
> * kerberos support on java 8 + macos works just fine
> The clause to reset the java system properties is enough to stop kerberos working, even
> when the user is kinited in.
> Propose: remove/revert the changes. If people want it, they can set the options in {{HADOOP_CLIENT_OPTS}}



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