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https://issues.apache.org/jira/browse/HDFS-9085?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14949472#comment-14949472
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zhihai xu commented on HDFS-9085:
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Thanks for the good suggestion [~cnauroth]! Yes, I uploaded a new patch
HDFS-9085.002.patch, which added a unit test to verify {{toString}}.
> Show renewer information in DelegationTokenIdentifier#toString
> --------------------------------------------------------------
>
> Key: HDFS-9085
> URL: https://issues.apache.org/jira/browse/HDFS-9085
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: security
> Reporter: zhihai xu
> Assignee: zhihai xu
> Priority: Trivial
> Attachments: HDFS-9085.001.patch, HDFS-9085.002.patch
>
>
> Show renewer information in {{DelegationTokenIdentifier#toString}}. Currently
> {{org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier}}
> didn't show the renewer information. It will be very useful to have renewer
> information to debug security related issue. Because the renewer will be
> filtered by "hadoop.security.auth_to_local", it will be helpful to show the
> real renewer info after applying the rules.
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