Aleksandr Kovalenko created AMBARI-7541:
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             Summary: 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


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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