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https://issues.apache.org/jira/browse/AMBARI-5432?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Srimanth Gunturi updated AMBARI-5432:
-------------------------------------

    Attachment: AMBARI-5432.2.patch

Attaching an additional patch [^AMBARI-5432.2.patch] for clusters where YARN is 
not installed.

> Add service wizard to add missing service-components for other services
> -----------------------------------------------------------------------
>
>                 Key: AMBARI-5432
>                 URL: https://issues.apache.org/jira/browse/AMBARI-5432
>             Project: Ambari
>          Issue Type: Bug
>          Components: client
>    Affects Versions: 1.5.1
>            Reporter: Srimanth Gunturi
>            Assignee: Srimanth Gunturi
>             Fix For: 1.5.1
>
>         Attachments: AMBARI-5432.2.patch, AMBARI-5432.patch
>
>
> When a user upgrades from HDP-2.0 stack to HDP-2.1 stack, there is no upgrade 
> script or hook. So silently, existing services can have new 
> service-components added without Ambari UI knowing (like YARN service not 
> knowing about ATS service-component). 
> UI when adding any services POSTs missing host-components and fails due to 
> the missing service-component.
> UI should specifically add ATS service-component if missing. This will make 
> POSTing missing ATS host-component work.



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