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https://issues.apache.org/jira/browse/YARN-6555?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Haibo Chen updated YARN-6555:
-----------------------------
Fix Version/s: YARN-5355-branch-2
YARN-5355
> Store application flow context in NM state store for work-preserving restart
> ----------------------------------------------------------------------------
>
> Key: YARN-6555
> URL: https://issues.apache.org/jira/browse/YARN-6555
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: timelineserver
> Affects Versions: YARN-5355, YARN-5355-branch-2, 3.0.0-alpha3
> Reporter: Vrushali C
> Assignee: Rohith Sharma K S
> Labels: yarn-5355-merge-blocker
> Fix For: YARN-5355, YARN-5355-branch-2, 3.0.0-alpha3
>
> Attachments: YARN-6555.001.patch, YARN-6555.002.patch,
> YARN-6555.003.patch
>
>
> If timeline service v2 is enabled and NM is restarted with recovery enabled,
> then NM fails to start and throws an error as "flow context can't be null".
> This is happening because the flow context did not exist before but now that
> timeline service v2 is enabled, ApplicationImpl expects it to exist.
> This would also happen even if flow context existed before but since we are
> not persisting it / reading it during
> ContainerManagerImpl#recoverApplication, it does not get passed in to
> ApplicationImpl.
> full stack trace
> {code}
> 2017-05-03 21:51:52,178 FATAL
> org.apache.hadoop.yarn.server.nodemanager.NodeManager: Error starting
> NodeManager
> java.lang.IllegalArgumentException: flow context cannot be null
> at
> org.apache.hadoop.yarn.server.nodemanager.containermanager.application.ApplicationImpl.<init>(ApplicationImpl.java:104)
> at
> org.apache.hadoop.yarn.server.nodemanager.containermanager.application.ApplicationImpl.<init>(ApplicationImpl.java:90)
> at
> org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.recoverApplication(ContainerManagerImpl.java:318)
> at
> org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.recover(ContainerManagerImpl.java:280)
> at
> org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.serviceInit(ContainerManagerImpl.java:267)
> at
> org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
> at
> org.apache.hadoop.service.CompositeService.serviceInit(CompositeService.java:107)
> at
> org.apache.hadoop.yarn.server.nodemanager.NodeManager.serviceInit(NodeManager.java:276)
> at
> org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
> at
> org.apache.hadoop.yarn.server.nodemanager.NodeManager.initAndStartNodeManager(NodeManager.java:588)
> at
> org.apache.hadoop.yarn.server.nodemanager.NodeManager.main(NodeManager.java:649)
> {code}
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