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From "Maximilian Michels (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9213) Minicluster with Kerberos generates some stacks when checking the ports
Date Fri, 02 Sep 2016 10:36:20 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9213?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15458176#comment-15458176

Maximilian Michels commented on HDFS-9213:

It would be great to run tests with a secure cluster Datanode without root. Isn't this relatively
easy to fix for the next release version? What is blocking the fix?

> Minicluster with Kerberos generates some stacks when checking the ports
> -----------------------------------------------------------------------
>                 Key: HDFS-9213
>                 URL: https://issues.apache.org/jira/browse/HDFS-9213
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: security
>    Affects Versions: 3.0.0-alpha1
>            Reporter: Nicolas Liochon
>            Assignee: Nicolas Liochon
>            Priority: Minor
>         Attachments: hdfs-9213.v1.patch, hdfs-9213.v1.patch
> When using the minicluster with kerberos the various checks in SecureDataNodeStarter
fail because the ports are not fixed.
> Stacks like this one:
> {quote}
> java.lang.RuntimeException: Unable to bind on specified streaming port in secure context.
Needed 0, got 49670
> 	at org.apache.hadoop.hdfs.server.datanode.SecureDataNodeStarter.getSecureResources(SecureDataNodeStarter.java:108)
> {quote}
> There is already a setting to desactivate this type of check for testing, it could be
used here as well....

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