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From "Varun Saxena (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6703) RM startup failure with old state store due to version mismatch
Date Mon, 12 Jun 2017 13:32:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-6703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16046558#comment-16046558
] 

Varun Saxena commented on YARN-6703:
------------------------------------

Thanks [~bibinchundatt] for finding the issue and committing it.
Thanks [~templedf] for reviews.

> RM startup failure with old state store due to version mismatch
> ---------------------------------------------------------------
>
>                 Key: YARN-6703
>                 URL: https://issues.apache.org/jira/browse/YARN-6703
>             Project: Hadoop YARN
>          Issue Type: Bug
>    Affects Versions: 3.0.0-alpha3
>            Reporter: Bibin A Chundatt
>            Assignee: Varun Saxena
>            Priority: Critical
>             Fix For: 2.9.0, 3.0.0-alpha4
>
>         Attachments: YARN-6703.01.patch, YARN-6703.02.patch
>
>
> Currently as per the following code since the VERSION is marked as 2 .
> {code}
> 161	  protected static final Version CURRENT_VERSION_INFO = Version
> 162	      .newInstance(2, 0);
> {code}
> RMStateStore#checkVersion will fail and RM will not be able to start with old state store.
We can keep the version as 1.3 itself



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