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https://issues.apache.org/jira/browse/HDFS-13501?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16453085#comment-16453085
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Allen Wittenauer commented on HDFS-13501:
-----------------------------------------
It's possible to run a secure datanode without using jsvc. Thus why the shell
code doesn't check for those values.
> Secure Datanode stop/start from cli does not throw a valid error if
> HDFS_DATANODE_SECURE_USER is not set
> --------------------------------------------------------------------------------------------------------
>
> Key: HDFS-13501
> URL: https://issues.apache.org/jira/browse/HDFS-13501
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Ajay Kumar
> Assignee: Ajay Kumar
> Priority: Major
>
> Secure Datanode start/stop from cli does not throw a valid error if
> HADOOP_SECURE_DN_USER/HDFS_DATANODE_SECURE_USER is not set. If
> HDFS_DATANODE_SECURE_USER and JSVC_HOME is not set start/stop is expected to
> fail (when privilege ports are used) but it should show some valid message.
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