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https://issues.apache.org/jira/browse/YARN-2753?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14189707#comment-14189707
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Hadoop QA commented on YARN-2753:
---------------------------------
{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12678125/YARN-2753.005.patch
against trunk revision 0126cf1.
{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:green}+1 findbugs{color}. The patch does not introduce any 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-common
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager.
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-YARN-Build/5637//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/5637//console
This message is automatically generated.
> Fix potential issues and code clean up for *NodeLabelsManager
> -------------------------------------------------------------
>
> Key: YARN-2753
> URL: https://issues.apache.org/jira/browse/YARN-2753
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: zhihai xu
> Assignee: zhihai xu
> Attachments: YARN-2753.000.patch, YARN-2753.001.patch,
> YARN-2753.002.patch, YARN-2753.003.patch, YARN-2753.004.patch,
> YARN-2753.005.patch
>
>
> Issues include:
> * CommonNodeLabelsManager#addToCluserNodeLabels should not change the value
> in labelCollections if the key already exists otherwise the Label.resource
> will be changed(reset).
> * potential NPE(NullPointerException) in checkRemoveLabelsFromNode of
> CommonNodeLabelsManager.
> ** because when a Node is created, Node.labels can be null.
> ** In this case, nm.labels; may be null. So we need check originalLabels not
> null before use it(originalLabels.containsAll).
> * addToCluserNodeLabels should be protected by writeLock in
> RMNodeLabelsManager.java. because we should protect labelCollections in
> RMNodeLabelsManager.
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