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Date: Thu, 8 Jun 2017 18:41:18 +0000 (UTC)
From: "Sunil G (JIRA)" <jira@apache.org>
To: yarn-issues@hadoop.apache.org
Message-ID: <JIRA.13071283.1494526687000.31260.1496947278151@Atlassian.JIRA>
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Subject: [jira] [Commented] (YARN-6585) RM fails to start when upgrading
 from 2.7 to 2.8 for clusters with node labels.
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archived-at: Thu, 08 Jun 2017 18:41:25 -0000


    [ https://issues.apache.org/jira/browse/YARN-6585?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16043215#comment-16043215 ] 

Sunil G commented on YARN-6585:
-------------------------------

Thanks [~eepayne]

bq. I feel that these issues should be fixed as part of a separate JIRA since they are confusing things here and are not related to fixing this problem.
I think its fine to take this changes in separate ticket. Ideally {{initNodeLabels}} changes are enough to support for breakage sceanrios. Also thanks you for sharing the test case which I think will help here. 

I ll update a patch shortwhile.

> RM fails to start when upgrading from 2.7 to 2.8 for clusters with node labels.
> -------------------------------------------------------------------------------
>
>                 Key: YARN-6585
>                 URL: https://issues.apache.org/jira/browse/YARN-6585
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Eric Payne
>            Assignee: Sunil G
>            Priority: Blocker
>         Attachments: YARN-6585.0001.patch, YARN-6585.0002.patch
>
>
> {noformat}
> Caused by: java.io.IOException: Not all labels being replaced contained by known label collections, please check, new labels=[abc]
>         at org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager.checkReplaceLabelsOnNode(CommonNodeLabelsManager.java:718)
>         at org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager.replaceLabelsOnNode(CommonNodeLabelsManager.java:737)
>         at org.apache.hadoop.yarn.server.resourcemanager.nodelabels.RMNodeLabelsManager.replaceLabelsOnNode(RMNodeLabelsManager.java:189)
>         at org.apache.hadoop.yarn.nodelabels.FileSystemNodeLabelsStore.loadFromMirror(FileSystemNodeLabelsStore.java:181)
>         at org.apache.hadoop.yarn.nodelabels.FileSystemNodeLabelsStore.recover(FileSystemNodeLabelsStore.java:208)
>         at org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager.initNodeLabelStore(CommonNodeLabelsManager.java:251)
>         at org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager.serviceStart(CommonNodeLabelsManager.java:265)
>         at org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
>         ... 13 more
> {noformat}


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