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https://issues.apache.org/jira/browse/YARN-3624?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14544192#comment-14544192
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Jonathan Eagles commented on YARN-3624:
---------------------------------------

This change solves this issue where users have specified a specific order of 
filter initializers in the config. The application history server then reorders 
the the timeline authentication initializer to be at the front of the list. 
This breaks users who are using web cookie-based login systems that require 
being run before timeline authentication. [~zjshen], do you see any issues with 
this change. Can you see anyone relying on the current behavior where 
initializers are reordered?

> ApplicationHistoryServer reverses the order of the filters it gets
> ------------------------------------------------------------------
>
>                 Key: YARN-3624
>                 URL: https://issues.apache.org/jira/browse/YARN-3624
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: timelineserver
>    Affects Versions: 2.6.0
>            Reporter: Mit Desai
>            Assignee: Mit Desai
>         Attachments: YARN-3624.patch
>
>
> AppliactionHistoryServer should not alter the order in which it gets the 
> filter chain. Additional filters should be added at the end of the chain.



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