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Posted to mapreduce-issues@hadoop.apache.org by "Allen Wittenauer (JIRA)" <ji...@apache.org> on 2014/09/11 00:39:34 UTC

[jira] [Commented] (MAPREDUCE-2944) Improve checking of input for Api displayTasks()

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2944?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14129268#comment-14129268 ] 

Allen Wittenauer commented on MAPREDUCE-2944:
---------------------------------------------

Historical note:

Some form of parts of this patch went into branch-2 at some point, but not all of it.

> Improve checking of input for Api displayTasks() 
> -------------------------------------------------
>
>                 Key: MAPREDUCE-2944
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2944
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: client
>    Affects Versions: 0.24.0
>            Reporter: XieXianshan
>            Assignee: XieXianshan
>            Priority: Trivial
>             Fix For: 3.0.0
>
>         Attachments: MAPREDUCE-2944.patch, MAPREDUCE-2944.patch, MAPREDUCE-2944_v0.2.patch, MAPREDUCE-2944_v0.3.patch
>
>
> The JobClient.displayTasks() will do nothing and won't throw any exception either, 
> while user call it with invalid type/state of task.
> To be more friendly,it's better to remain user to check his parameters with an exception. 



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