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https://issues.apache.org/jira/browse/YARN-5271?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15854576#comment-15854576
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Li Lu commented on YARN-5271:
-----------------------------

Thanks for the work [~cheersyang]! This looks like a pretty unfortunate case 
for uses to use the YARN client. I noticed we're not creating timeline clients 
if timeline service is turned off in the config. One inquiry is, can we fail 
fast and let the user disable timeline service? Raising errors as early as 
possible may avoid much troubles in the future? 

> ATS client doesn't work with Jersey 2 on the classpath
> ------------------------------------------------------
>
>                 Key: YARN-5271
>                 URL: https://issues.apache.org/jira/browse/YARN-5271
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: client, timelineserver
>    Affects Versions: 2.7.2
>            Reporter: Steve Loughran
>            Assignee: Weiwei Yang
>              Labels: oct16-medium
>             Fix For: 2.8.0, 3.0.0-alpha2
>
>         Attachments: YARN-5271.01.patch, YARN-5271.02.patch, 
> YARN-5271.branch-2.01.patch, YARN-5271-branch-2.8.01.patch
>
>
> see SPARK-15343 : once Jersey 2 is on the CP, you can't instantiate a 
> timeline client, *even if the server is an ATS1.5 server and publishing is 
> via the FS*



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