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https://issues.apache.org/jira/browse/HADOOP-15593?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16548139#comment-16548139
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genericqa commented on HADOOP-15593:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m  
0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} docker {color} | {color:red}  0m  
6s{color} | {color:red} Docker failed to build yetus/hadoop:abb62dd. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HADOOP-15593 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12932083/HADOOP-15593.002.patch
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| Console output | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/14905/console |
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This message was automatically generated.



> 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
>            Assignee: Gabor Bota
>            Priority: Critical
>         Attachments: HADOOP-15593.001.patch, HADOOP-15593.002.patch
>
>
> Found the following NPE thrown in UGI tgt renewer. The NPE was 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 better.



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