[jira] [Commented] (AMBARI-21658) Check for config group host mapping left behind after host delete

["Dmitry Lysnichenko (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AMBARI-21658?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16167935#comment-16167935 ] 

Dmitry Lysnichenko commented on AMBARI-21658:
---------------------------------------------

[~swagle],
this patch seems to be missing in trunk. Is it desired?

> Check for config group host mapping left behind after host delete
> -----------------------------------------------------------------
>
>                 Key: AMBARI-21658
>                 URL: https://issues.apache.org/jira/browse/AMBARI-21658
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>            Reporter: Siddharth Wagle
>            Assignee: Siddharth Wagle
>            Priority: Critical
>             Fix For: 2.5.2
>
>         Attachments: AMBARI-21658.patch
>
>
> Delete hosts deletes the config group host mapping as well, however, certain older versions of Ambari have reported seeing orphaned mappings in the configgrouphostmapping table.
> This results in Add Service wizard being stuck with the following error message:
> {code}
> This is a JS issue. No exceptions/error in Ambari server logs: 
> Uncaught TypeError: Cannot read property 'id' of undefined 
> at http://192.167.42.111:8080/javascripts/app.js:37021:96 
> at Array.map (native) 
> at Class.<anonymous> 
> {code}
> The patch addresses identifying such an error on server start and providing a way to fix it automatically.



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