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https://issues.apache.org/jira/browse/YARN-3222?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14343106#comment-14343106
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Hadoop QA commented on YARN-3222:
---------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12701861/0003-YARN-3222.patch
against trunk revision ca1c00b.
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 2 new
or modified test files.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 javadoc{color}. There were no new javadoc warning messages.
{color:green}+1 eclipse:eclipse{color}. The patch built with
eclipse:eclipse.
{color:red}-1 findbugs{color}. The patch appears to introduce 5 new
Findbugs (version 2.0.3) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:green}+1 core tests{color}. The patch passed unit tests in
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager.
Test results:
https://builds.apache.org/job/PreCommit-YARN-Build/6800//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-YARN-Build/6800//artifact/patchprocess/newPatchFindbugsWarningshadoop-yarn-server-resourcemanager.html
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/6800//console
This message is automatically generated.
> 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
> Assignee: Rohith
> Priority: Critical
> Attachments: 0001-YARN-3222.patch, 0002-YARN-3222.patch,
> 0003-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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