[ 
https://issues.apache.org/jira/browse/YARN-9247?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17281132#comment-17281132
 ] 

Hadoop QA commented on YARN-9247:
---------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime ||  Logfile || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m  
0s{color} | {color:blue}{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} docker {color} | {color:red}  0m 
12s{color} | {color:red}{color} | {color:red} Dockerfile 
'/home/jenkins/jenkins-home/workspace/PreCommit-YARN-Build/sourcedir/dev-support/docker/Dockerfile'
 not found. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | YARN-9247 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12956640/YARN-9247.branch-2.7.2.001.patch
 |
| Console output | 
https://ci-hadoop.apache.org/job/PreCommit-YARN-Build/606/console |
| versions | git=2.17.1 |
| Powered by | Apache Yetus 0.13.0-SNAPSHOT https://yetus.apache.org |


This message was automatically generated.



> NM fails to start when downgrading from 3.x to 2.7
> --------------------------------------------------
>
>                 Key: YARN-9247
>                 URL: https://issues.apache.org/jira/browse/YARN-9247
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: yarn
>    Affects Versions: 2.7.2
>            Reporter: Jiandan Yang 
>            Assignee: Jiandan Yang 
>            Priority: Major
>         Attachments: YARN-9247.branch-2.7.2.001.patch
>
>
> NM will throws *java.io.IOException: Unexpected container state key* when 
> downgrading from 3.1.3 to 2.7.2 duo to *starttime* added by hadoop3.x is not 
> known by old version.
> {code:java}
> 2019-01-28 12:12:05,227 FATAL 
> org.apache.hadoop.yarn.server.nodemanager.NodeManager: Error starting 
> NodeManager
> org.apache.hadoop.service.ServiceStateException: java.io.IOException: 
> Unexpected container state key: 
> ContainerManager/containers/container_e42_1548641704310_0002_01_000001/starttime
>         at 
> org.apache.hadoop.service.ServiceStateException.convert(ServiceStateException.java:59)
>         at 
> org.apache.hadoop.service.AbstractService.init(AbstractService.java:172)
>         at 
> org.apache.hadoop.service.CompositeService.serviceInit(CompositeService.java:107)
>         at 
> org.apache.hadoop.yarn.server.nodemanager.NodeManager.serviceInit(NodeManager.java:263)
>         at 
> org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
>         at 
> org.apache.hadoop.yarn.server.nodemanager.NodeManager.initAndStartNodeManager(NodeManager.java:536)
>         at 
> org.apache.hadoop.yarn.server.nodemanager.NodeManager.main(NodeManager.java:584)
> Caused by: java.io.IOException: Unexpected container state key: 
> ContainerManager/containers/container_e42_1548641704310_0002_01_000001/starttime
>         at 
> org.apache.hadoop.yarn.server.nodemanager.recovery.NMLeveldbStateStoreService.loadContainerState(NMLeveldbStateStoreService.java:242)
>         at 
> org.apache.hadoop.yarn.server.nodemanager.recovery.NMLeveldbStateStoreService.loadContainersState(NMLeveldbStateStoreService.java:178)
>         at 
> org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.recover(ContainerManagerImpl.java:290)
>         at 
> org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.serviceInit(ContainerManagerImpl.java:274)
>         at 
> org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
>         ... 5 more
> {code}



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