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https://issues.apache.org/jira/browse/HADOOP-18581?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17655832#comment-17655832
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Brahma Reddy Battula commented on HADOOP-18581:
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[~surendralilhore]  thanks for reporting and working on this. Are you planning 
to backport to other branches also..?
{quote}When JN client try to re-login and it fails, it will destroy server 
service ticket also and NameNode not able to server client request. We can see 
the below error logs in NameNode log file.
{quote}
Any insights on when this can happen.. I checked your testcase which logout on 
other thread, but will be case..?

Are you using kerboes-1.15 client or kerboes-1.13 client.?

> Handle Server KDC re-login when Server and Client run in same JVM.
> ------------------------------------------------------------------
>
>                 Key: HADOOP-18581
>                 URL: https://issues.apache.org/jira/browse/HADOOP-18581
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 3.1.1
>            Reporter: Surendra Singh Lilhore
>            Assignee: Surendra Singh Lilhore
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.4.0
>
>
> Handle re-login in Server when client, server running in same JVM and client 
> trying to re-login, but it fails.
> For example, NameNode is server but in same JVM journal node client also 
> running to push to edit logs. When JN client try to re-login and it fails, it 
> will destroy server service ticket also and NameNode not able to server 
> client request. We can see the below error logs in NameNode log file.
>  
> {noformat}
> Auth failed for x.x.x.x:42199:null (GSS initiate failed) with true cause: 
> (GSS initiate failed)
> Auth failed for x.x.x.x:42199:null (GSS initiate failed) with true cause: 
> (GSS initiate failed)
> Auth failed for x.x.x.x:42199:null (GSS initiate failed) with true cause: 
> (GSS initiate failed){noformat}
> Same discussion happened in HADOOP-17996.



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