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Brahma Reddy Battula commented on HADOOP-18581: ----------------------------------------------- [~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. -- This message was sent by Atlassian Jira (v8.20.10#820010) --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org