[jira] [Work logged] (HDFS-16356) JournalNode short name missmatch

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-16356?focusedWorklogId=686631&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-686631 ]

ASF GitHub Bot logged work on HDFS-16356:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 25/Nov/21 20:21
            Start Date: 25/Nov/21 20:21
    Worklog Time Spent: 10m 
      Work Description: FliegenKLATSCH opened a new pull request #3726:
URL: https://github.com/apache/hadoop/pull/3726


   https://issues.apache.org/jira/browse/HDFS-16356


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Issue Time Tracking
-------------------

            Worklog Id:     (was: 686631)
    Remaining Estimate: 0h
            Time Spent: 10m

> JournalNode short name missmatch
> --------------------------------
>
>                 Key: HDFS-16356
>                 URL: https://issues.apache.org/jira/browse/HDFS-16356
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: journal-node
>    Affects Versions: 3.3.0
>            Reporter: FliegenKLATSCH
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> I see the following issue in one of 3 JournalNodes:
> "Only Namenode and another JournalNode may access this servlet".
> The journalnode wants to download an edit log (shortly after startup) from another journalnode, but in the request the short username equals the (long) principal name and thus the request gets denied.
> I'll add a PR which trims the principal to the actual short name, but I am not sure why in the first place the request token contains the full principal name and what the desired name actually is. Maybe I have a misconfiguration on my end?



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