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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6555) Store application flow context in NM state store for work-preserving restart
Date Fri, 26 May 2017 05:13:04 GMT

    [ https://issues.apache.org/jira/browse/YARN-6555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16025813#comment-16025813
] 

Hudson commented on YARN-6555:
------------------------------

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #11786 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/11786/])
YARN-6555. Store application flow context in NM state store for (haibochen: rev 47474fffac085e0e5ea46336bf80ccd0677017a3)
* (edit) hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/ContainerManagerImpl.java
* (edit) hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/application/ApplicationImpl.java
* (edit) hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/proto/yarn_server_nodemanager_recovery.proto
* (edit) hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/TestContainerManagerRecovery.java


> 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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