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