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From "Jian He (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2952) Incorrect version check in RMStateStore
Date Fri, 12 Dec 2014 01:58:13 GMT

    [ https://issues.apache.org/jira/browse/YARN-2952?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14243585#comment-14243585
] 

Jian He commented on YARN-2952:
-------------------------------

we may change {{loadedVersion = Version.newInstance(1, 0);}} to {{getCurrentVersion()}}

> Incorrect version check in RMStateStore
> ---------------------------------------
>
>                 Key: YARN-2952
>                 URL: https://issues.apache.org/jira/browse/YARN-2952
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Jian He
>
> In RMStateStore#checkVersion:  if we modify  tCURRENT_VERSION_INFO to 2.0, it'll still
store the version as 1.0 which is incorrect; 
> {code}
>     // if there is no version info, treat it as 1.0;
>     if (loadedVersion == null) {
>       loadedVersion = Version.newInstance(1, 0);
>     }
>     if (loadedVersion.isCompatibleTo(getCurrentVersion())) {
>       LOG.info("Storing RM state version info " + getCurrentVersion());
>       storeVersion();
> {code}



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