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https://issues.apache.org/jira/browse/HADOOP-15966?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16709209#comment-16709209
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Lars Francke commented on HADOOP-15966:
---------------------------------------

Thanks [~ste...@apache.org] you beat me to it!

> 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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