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Posted to yarn-issues@hadoop.apache.org by "Dapeng Sun (JIRA)" <ji...@apache.org> on 2019/01/14 09:38:00 UTC
[jira] [Commented] (YARN-9198) Corrupted state from a previous
version can still cause RM to fail with NPE on FairScheduler
[ https://issues.apache.org/jira/browse/YARN-9198?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16741887#comment-16741887 ]
Dapeng Sun commented on YARN-9198:
----------------------------------
Attach a simple patch to fix it.
> Corrupted state from a previous version can still cause RM to fail with NPE on FairScheduler
> --------------------------------------------------------------------------------------------
>
> Key: YARN-9198
> URL: https://issues.apache.org/jira/browse/YARN-9198
> Project: Hadoop YARN
> Issue Type: Bug
> Components: fairscheduler, resourcemanager
> Affects Versions: 3.1.0, 2.8.5
> Reporter: Dapeng Sun
> Assignee: Dapeng Sun
> Priority: Major
> Attachments: YARN-9198.001.patch
>
>
> Previously, RM may fail with NPE due to YARN-4347,YARN-4000. After these fixes, FairScheduler still has the same potential issue.
>
> 201x-xx-xx xx:xx:xx,xxx ERROR resourcemanager.ResourceManager (ResourceManager.java:serviceStart) - Failed to load/recover state
> java.lang.NullPointerException
> at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.addApplicationAttempt(FairScheduler.java)
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