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https://issues.apache.org/jira/browse/YARN-4365?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15026198#comment-15026198
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Hudson commented on YARN-4365:
------------------------------
FAILURE: Integrated in Hadoop-Hdfs-trunk-Java8 #640 (See
[https://builds.apache.org/job/Hadoop-Hdfs-trunk-Java8/640/])
YARN-4365. FileSystemNodeLabelStore should check for root dir existence (jlowe:
rev f5acf94ecafb301a0cc8e8f91f19c8bcbc8da701)
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/nodelabels/TestFileSystemNodeLabelsStore.java
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/FileSystemNodeLabelsStore.java
* hadoop-yarn-project/CHANGES.txt
> FileSystemNodeLabelStore should check for root dir existence on startup
> -----------------------------------------------------------------------
>
> Key: YARN-4365
> URL: https://issues.apache.org/jira/browse/YARN-4365
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 2.7.2
> Reporter: Jason Lowe
> Assignee: Kuhu Shukla
> Fix For: 2.6.3, 2.7.3
>
> Attachments: YARN-4365-1.patch, YARN-4365-2.patch, YARN-4365-3.patch
>
>
> If the namenode is in safe mode for some reason then FileSystemNodeLabelStore
> will prevent the RM from starting since it unconditionally tries to create
> the root directory for the label store. If the root directory already exists
> and no labels are changing then we shouldn't prevent the RM from starting
> even if the namenode is in safe mode.
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