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Posted to yarn-issues@hadoop.apache.org by "Bibin Chundatt (Jira)" <ji...@apache.org> on 2021/07/29 09:27:00 UTC
[jira] [Comment Edited] (YARN-10841) Fix token reset
synchronization for UAM response token
[ https://issues.apache.org/jira/browse/YARN-10841?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17389776#comment-17389776 ]
Bibin Chundatt edited comment on YARN-10841 at 7/29/21, 9:26 AM:
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Committed to trunk. Thank you [~minni31] for contribution
was (Author: bibinchundatt):
Committed to trunk
> Fix token reset synchronization for UAM response token
> ------------------------------------------------------
>
> Key: YARN-10841
> URL: https://issues.apache.org/jira/browse/YARN-10841
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Minni Mittal
> Assignee: Minni Mittal
> Priority: Minor
> Labels: pull-request-available
> Fix For: 3.4.0
>
> Attachments: YARN-10841.v1.patch
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> *2021-06-24T10:11:39,465* [ERROR] [AMRM Heartbeater thread] |impl.AMRMClientAsyncImpl|: Exception on heartbeat
> org.apache.hadoop.yarn.exceptions.YarnException: org.apache.hadoop.yarn.exceptions.YarnRuntimeException: amrmToken from UAM cluster-0 should be null here
> at org.apache.hadoop.yarn.server.nodemanager.amrmproxy.FederationInterceptor.allocate(FederationInterceptor.java:782)
>
>
> *2021-06-24T10:10:12,608* INFO [616916] FederationInterceptor: Received new UAM amrmToken with keyId 843616604
> Hearbeatcallback sets token to null. But because of synchroniztion issue, it happened after mergeAllocate is called. So, while allocate merge is happening the value should get set to null and should have happened Inside lock
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