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https://issues.apache.org/jira/browse/HADOOP-18581?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17651589#comment-17651589
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ASF GitHub Bot commented on HADOOP-18581:
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surendralilhore commented on PR #5248:
URL: https://github.com/apache/hadoop/pull/5248#issuecomment-1363842249
> @surendralilhore , thank you for the patch. I entered a few questions.
Additionally, can you please describe if you've been able to simulate the
problem in testing to confirm that this patch fixes it? (I assume unit testing
isn't practical for this.)
Yes, I simulated it by adding one thread in namenode and that thread will do
logout in 2 minute after stating namenode.
> 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
>
> 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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