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https://issues.apache.org/jira/browse/YARN-8631?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17098157#comment-17098157
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Umesh Mittal edited comment on YARN-8631 at 5/3/20, 11:25 PM:
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Hi [~snemeth]
Thanks for looking into this.
I have attached JUNIT test, which ensures that the service is stopped in the
middle of renewal process and later causing NullPointerException as described
by the user.
However at this stage JUNIT will result in failure.
was (Author: umittal):
Hi [~snemeth]
Thanks for looking into this.
I have attached JUNIT test, which ensures that the service is stopped in the
middle of renewal process and later causing NullPointerException as described
by the user.
> 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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