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https://issues.apache.org/jira/browse/YARN-3387?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14512527#comment-14512527
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Hudson commented on YARN-3387:
------------------------------

FAILURE: Integrated in Hadoop-Mapreduce-trunk-Java8 #175 (See 
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk-Java8/175/])
YARN-3387. Previous AM's container completed status couldn't pass to current AM 
if AM and RM restarted during the same time. Contributed by Sandflee (jianhe: 
rev d03dcb9635dbd79a45d229d1cab5fd28e5e49f49)
* hadoop-yarn-project/CHANGES.txt
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/RMAppAttemptImpl.java
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppImpl.java
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestWorkPreservingRMRestart.java


> Previous AM's container complete message couldn't pass to current am if am 
> restarted and rm changed
> ---------------------------------------------------------------------------------------------------
>
>                 Key: YARN-3387
>                 URL: https://issues.apache.org/jira/browse/YARN-3387
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.6.0
>            Reporter: sandflee
>            Assignee: sandflee
>            Priority: Critical
>              Labels: patch
>             Fix For: 2.8.0
>
>         Attachments: YARN-3387.001.patch, YARN-3387.002.patch
>
>
> suppose am work preserving and rm ha is enabled.
> container complete message is passed to appattemt.justFinishedContainers in 
> rm。in normal situation,all attempt in one app shares the same 
> justFinishedContainers, but when rm changed, every attempt has it's own 
> justFinishedContainers, so in situations below, container complete message 
> couldn't passed to am:
> 1, am restart
> 2, rm changes
> 3, container launched by first am completes
> container complete message will be passed to appAttempt1 not appAttempt2, but 
> am pull finished containers from appAttempt2 (currentAppAttempt)



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