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https://issues.apache.org/jira/browse/YARN-8631?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17154737#comment-17154737
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Andras Gyori commented on YARN-8631:
------------------------------------
[~umittal] I was trying to reproduce the issue, however, the attached patch is
already outdated. Could you give a more up-to-date example please?
> YARN RM fails to add the application to the delegation token renewer on
> recovery
> --------------------------------------------------------------------------------
>
> Key: YARN-8631
> URL: https://issues.apache.org/jira/browse/YARN-8631
> Project: Hadoop YARN
> Issue Type: Bug
> Components: yarn
> Affects Versions: 3.1.0
> Reporter: Sanjay Divgi
> Assignee: Umesh Mittal
> Priority: Blocker
> Attachments: YARN-8631.001.patch,
> hadoop-yarn-resourcemanager-ctr-e138-1518143905142-429059-01-000004.log
>
>
> On HA cluster we have observed that yarn resource manager fails to add the
> application to the delegation token renewer on recovery.
> Below is the error:
> {code:java}
> 2018-08-07 08:41:23,850 INFO security.DelegationTokenRenewer
> (DelegationTokenRenewer.java:renewToken(635)) - Renewed delegation-token=
> [Kind: TIMELINE_DELEGATION_TOKEN, Service: 172.27.84.192:8188, Ident:
> (TIMELINE_DELEGATION_TOKEN owner=hrt_qa_hive_spark, renewer=yarn, realUser=,
> issueDate=1533624642302, maxDate=1534229442302, sequenceNumber=18,
> masterKeyId=4);exp=1533717683478; apps=[application_1533623972681_0001]]
> 2018-08-07 08:41:23,855 WARN security.DelegationTokenRenewer
> (DelegationTokenRenewer.java:handleDTRenewerAppRecoverEvent(955)) - Unable to
> add the application to the delegation token renewer on recovery.
> java.lang.NullPointerException
> at
> org.apache.hadoop.yarn.server.resourcemanager.security.DelegationTokenRenewer.handleAppSubmitEvent(DelegationTokenRenewer.java:522)
> at
> org.apache.hadoop.yarn.server.resourcemanager.security.DelegationTokenRenewer.handleDTRenewerAppRecoverEvent(DelegationTokenRenewer.java:953)
> at
> org.apache.hadoop.yarn.server.resourcemanager.security.DelegationTokenRenewer.access$700(DelegationTokenRenewer.java:79)
> at
> org.apache.hadoop.yarn.server.resourcemanager.security.DelegationTokenRenewer$DelegationTokenRenewerRunnable.run(DelegationTokenRenewer.java:912)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> {code}
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