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Posted to dev@slider.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2014/10/23 10:16:34 UTC

[jira] [Commented] (SLIDER-423) slider-client should fail gracefully if the version of hdfs/yarn against which its being used is incompatible

    [ https://issues.apache.org/jira/browse/SLIDER-423?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14181114#comment-14181114 ] 

Steve Loughran commented on SLIDER-423:
---------------------------------------

thinking some more, I don't think there's easy and reliable way to validate versions, except at the very major "does it begin with a 2. or 3." check —and the AM/client won't know if it is compatible with future versions.

there's also the problem of "even if slider is compatible, what about the app version?"

> slider-client should fail gracefully if the version of hdfs/yarn against which its being used is incompatible
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: SLIDER-423
>                 URL: https://issues.apache.org/jira/browse/SLIDER-423
>             Project: Slider
>          Issue Type: Bug
>          Components: client
>    Affects Versions: Slider 0.50
>            Reporter: Sumit Mohanty
>            Assignee: thomas liu
>
> slider client should check the version of hdfs/yarn its being run against and then fail gracefully. Can this feature make use of some of the capability we are implementing for diagnostics?



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