Shen Yinjie created YARN-7425:
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Summary: 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
Priority: Critical
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...
(some logs see screenshots)
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().
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