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https://issues.apache.org/jira/browse/YARN-3222?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14726371#comment-14726371
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Hudson commented on YARN-3222:
------------------------------
FAILURE: Integrated in Hadoop-Yarn-trunk #1065 (See
[https://builds.apache.org/job/Hadoop-Yarn-trunk/1065/])
YARN-3222. Added the missing CHANGES.txt entry. (vinodkv: rev
4620767156ecc43424bc6c7c4d50519e2563cc69)
* hadoop-yarn-project/CHANGES.txt
> RMNodeImpl#ReconnectNodeTransition should send scheduler events in sequential
> order
> -----------------------------------------------------------------------------------
>
> Key: YARN-3222
> URL: https://issues.apache.org/jira/browse/YARN-3222
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 2.6.0
> Reporter: Rohith Sharma K S
> Assignee: Rohith Sharma K S
> Priority: Critical
> Labels: 2.6.1-candidate
> Fix For: 2.7.0, 2.6.1
>
> Attachments: 0001-YARN-3222.patch, 0002-YARN-3222.patch,
> 0003-YARN-3222.patch, 0004-YARN-3222.patch, 0005-YARN-3222.patch
>
>
> When a node is reconnected,RMNodeImpl#ReconnectNodeTransition notifies the
> scheduler in a events node_added,node_removed or node_resource_update. These
> events should be notified in an sequential order i.e node_added event and
> next node_resource_update events.
> But if the node is reconnected with different http port, the oder of
> scheduler events are node_removed --> node_resource_update --> node_added
> which causes scheduler does not find the node and throw NPE and RM exit.
> Node_Resource_update event should be always should be triggered via
> RMNodeEventType.RESOURCE_UPDATE
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