Eric Yang created YARN-8514:
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Summary: YARN RegistryDNS throws NPE when Kerberos tgt expires
Key: YARN-8514
URL: https://issues.apache.org/jira/browse/YARN-8514
Project: Hadoop YARN
Issue Type: Bug
Reporter: Eric Yang
After Kerberos ticket expires, RegistryDNS throws NPE error:
{code:java}
2018-07-06 01:26:25,025 ERROR yarn.YarnUncaughtExceptionHandler
(YarnUncaughtExceptionHandler.java:uncaughtException(68)) - Thread Thread[TGT
Renewer for rm/[email protected],5,main] threw
an Exception.
java.lang.NullPointerException
at
javax.security.auth.kerberos.KerberosTicket.getEndTime(KerberosTicket.java:482)
at
org.apache.hadoop.security.UserGroupInformation$1.run(UserGroupInformation.java:894)
at java.lang.Thread.run(Thread.java:745){code}
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