[YARN-8514] YARN RegistryDNS throws NPE when Kerberos tgt expires

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Duplicate
• Affects Version/s: 2.9.0, 3.0.0, 3.1.0, 2.9.1, 3.0.1, 3.0.2, 2.9.2
• Target Version/s: 3.2.0, 3.1.2
• Assignee: Eric Yang
• Reporter: Eric Yang
• Created: 10/Jul/18 19:20
• Updated: 30/Jul/18 17:28
• Resolved: 30/Jul/18 17:28

Description

After Kerberos ticket expires, RegistryDNS throws NPE error:

2018-07-06 01:26:25,025 ERROR yarn.YarnUncaughtExceptionHandler (YarnUncaughtExceptionHandler.java:uncaughtException(68)) - Thread Thread[TGT Renewer for rm/[e-mail],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)

Issue Links

• is duplicated by: HADOOP-15593 UserGroupInformation TGT renewer throws NPE
• relates to: HADOOP-15593 UserGroupInformation TGT renewer throws NPE