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https://issues.apache.org/jira/browse/YARN-3222?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14340041#comment-14340041
 ] 

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/12701317/0002-YARN-3222.patch
  against trunk revision 48c7ee7.

    {color:green}+1 @author{color}.  The patch does not contain any @author 
tags.

    {color:green}+1 tests included{color}.  The patch appears to include 1 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:red}-1 core tests{color}.  The patch failed these unit tests in 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager:

                  
org.apache.hadoop.yarn.server.resourcemanager.TestResourceTrackerService
                  
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.TestAllocationFileLoaderService
                  
org.apache.hadoop.yarn.server.resourcemanager.TestKillApplicationWithRMHA
                  
org.apache.hadoop.yarn.server.resourcemanager.TestSubmitApplicationWithRMHA

Test results: 
https://builds.apache.org/job/PreCommit-YARN-Build/6779//testReport/
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-YARN-Build/6779//artifact/patchprocess/newPatchFindbugsWarningshadoop-yarn-server-resourcemanager.html
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/6779//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
>
>
> 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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