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Shen Yinjie resolved YARN-7425. ------------------------------- Resolution: Won't Fix > Failed to renew delegation token when RM user's TGT is expired > --------------------------------------------------------------- > > Key: YARN-7425 > URL: https://issues.apache.org/jira/browse/YARN-7425 > Project: Hadoop YARN > Issue Type: Bug > Components: yarn > Affects Versions: 2.8.2 > Reporter: Shen Yinjie > Assignee: Shen Yinjie > Priority: Critical > Attachments: rm_log.png > > > we have a secure hadoop cluster with namenode federation. > submit job fails after kerberos TGT maxLifeTime expired(default 24h), client > log shows" failed to renew token: HDFS_DELEGATION_TOKEN...". > check rm log, found rm tgt is expired but not triggers relogin(),just retry > and fail... > (rm log see screenshot) > digging in code: > when rm tries to renewToken(), > UserGroupInformation.getLoginUser()="rm", > but UserGroupInformation.getCurrentUser()="testUser". > this causes Client.shouldAuthenticateOverKrb() returns false, thus cant > trigger reloginFromKeytab() or reloginFromTicketCache(). -- This message was sent by Atlassian JIRA (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: yarn-dev-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-dev-h...@hadoop.apache.org