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https://issues.apache.org/jira/browse/AMBARI-7541?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14151795#comment-14151795
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Andrii Babiichuk commented on AMBARI-7541:
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+1 for the patch
> FE: Changing services during install does not call right /recommend API
> -----------------------------------------------------------------------
>
> Key: AMBARI-7541
> URL: https://issues.apache.org/jira/browse/AMBARI-7541
> Project: Ambari
> Issue Type: Bug
> Components: ambari-web
> Affects Versions: 1.7.0
> Reporter: Aleksandr Kovalenko
> Assignee: Aleksandr Kovalenko
> Priority: Critical
> Fix For: 1.7.0
>
> Attachments: AMBARI-7541.patch
>
>
> I started the installer wizard and selected only HDFS and ZK services. On the
> masters, slaves/clients, and configurations pages, calls were correctly made
> to /recommendations and /validations endpoints.
> On configurations page I decided to add all services, so went back-back-back
> to services page and selected all services. From there on, the
> /recommendations and /validations endpoints were only being passed the
> original list of services (HDFS+ZK).
> We need to make sure that /recommendation and /validation endpoints are
> called with the right services, even when the wizard goes backward and
> forward. Please verify on all pages (master, slaves+clients, configurations)
> that the right service list is being called.
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