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From "Jo Desmet (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (YARN-5271) ATS client doesn't work with Jersey 2 on the classpath
Date Fri, 14 Oct 2016 19:23:20 GMT

    [ https://issues.apache.org/jira/browse/YARN-5271?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15576247#comment-15576247
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Jo Desmet edited comment on YARN-5271 at 10/14/16 7:23 PM:
-----------------------------------------------------------

Note that such tight coupling should not be required, not so that we have that library dependency
between spark and Yarn. The idea of Jersey is exactly to avoid this type of tight coupling
between two application frameworks. I think it is still a huge drawback of not having the
History Server up. I think it is 1./ Spark's job to have enough decoupling in place; 2./ Yarn
to evolve fast enough, being able to use latest libraries and benefit from added features
and improvements. That being said, most likely this fix is probably a good first step.


was (Author: jo_desmet@yahoo.com):
Note that such tight coupling should not be required, not so that we have that library dependency
between spark and Yarn. The idea of Jersey is exactly to avoid this type of tight coupling
between two application frameworks. I think it is still a huge drawback of not having the
History Server up. I think it is 1./ Spark's job to have enough decoupling in place; 2./ Yarn
to evolve fast enough, being able to use latest libraries and benefit from added features
and improvements.

> 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
>         Attachments: YARN-5271.01.patch, YARN-5271.branch-2.01.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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