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https://issues.apache.org/jira/browse/YARN-2753?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14203469#comment-14203469
]
Hudson commented on YARN-2753:
------------------------------
FAILURE: Integrated in Hadoop-Mapreduce-trunk #1951 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1951/])
YARN-2753. Fixed a bunch of bugs in the NodeLabelsManager classes. Contributed
by Zhihai xu. (vinodkv: rev 4cfd5bc7c18bb9a828f573b5c4d2b13fa28e732a)
* hadoop-yarn-project/CHANGES.txt
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/nodelabels/TestRMNodeLabelsManager.java
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/CommonNodeLabelsManager.java
> 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
> Fix For: 2.6.0
>
> 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, YARN-2753.006.patch, YARN-2753.007.patch,
> YARN-2753.008.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.
> * Fix a potential bug in CommonsNodeLabelsManager, after serviceStop(...) is
> invoked, some event may not be processed, see
> [comment|https://issues.apache.org/jira/browse/YARN-2753?focusedCommentId=14197206&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14197206]
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