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From "Xi Wang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-3064) Ambari UI widgets should tolerate addition or removal of services
Date Tue, 10 Sep 2013 22:21:52 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-3064?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13763608#comment-13763608
] 

Xi Wang commented on AMBARI-3064:
---------------------------------

patch_3 added. In this patch, there is a newly add 'checkServicesChange' method which will
check added/deleted services, then adjust the widgets to show. This works for: after ambari
upgraded OR added/deleted services, the same user login, the dashboard would show correct
widgets.
                
> Ambari UI widgets should tolerate addition or removal of services
> -----------------------------------------------------------------
>
>                 Key: AMBARI-3064
>                 URL: https://issues.apache.org/jira/browse/AMBARI-3064
>             Project: Ambari
>          Issue Type: Bug
>          Components: client
>    Affects Versions: 1.4.0
>            Reporter: Xi Wang
>            Assignee: Xi Wang
>             Fix For: 1.4.1
>
>         Attachments: AMBARI-3064_2.patch, AMBARI-3064_3.PATCH, AMBARI-3064.patch
>
>
> When Ambari was upgraded from 1.2.5.17 to 1.4.0.18, MAPRDEDUCE was removed and YARN and
MAPREDUCE2 were added. 
> The persist value of widgets still had the widgets for MAPREDUCE due to which the dashboard
came up to empty.
> So, we need to update the persist value for the same user if stack has upgraded.

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