Wei-Chiu Chuang created HADOOP-15593:
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Summary: UserGroupInformation TGT renewer throws NPE
Key: HADOOP-15593
URL: https://issues.apache.org/jira/browse/HADOOP-15593
Project: Hadoop Common
Issue Type: Bug
Components: security
Affects Versions: 3.0.0
Reporter: Wei-Chiu Chuang
Found the following NPE thrown in UGI tgt renewer. The NPE is thrown within an
exception handler so the original exception was hidden, though it's likely
caused by expired tgt.
{noformat}
18/07/02 10:30:57 ERROR util.SparkUncaughtExceptionHandler: Uncaught exception
in thread Thread[TGT Renewer for f...@example.com,5,main]
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:748){noformat}
Suspect it's related to https://bugs.openjdk.java.net/browse/JDK-8154889.
The relevant code was added in HADOOP-13590. File this jira to handle the
exception handling better.
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