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From "Jaimin D Jetly (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-15783) Assign Slaves and Clients Page: Incorrect validation error shown
Date Fri, 08 Apr 2016 23:04:25 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-15783?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jaimin D Jetly updated AMBARI-15783:
------------------------------------
    Description: 
In certain combination of number of hosts and master component selection, incorrect validation
error is shown on ui.
Following STR is one of the way to reproduce the issue:

*STR:*
# On 2 node cluster, Change Metrics Collector from the default host to another host.
# Click on next
# Assign Slaves and Clients page has validation error saying {color:red}Metrics Monitor component
should be installed on all hosts in cluster.{color}

This happens because recommendation API called by ambari-web when user changed the host for
Metrics collector does not have "Metrics Monitor" recommended for all hosts. 
*Expected behavior:* A component with cardinality "ALL" should be recommended on all hosts
by component recommendation API irrespective of the data posted with the API.

> Assign Slaves and Clients Page: Incorrect validation error shown
> ----------------------------------------------------------------
>
>                 Key: AMBARI-15783
>                 URL: https://issues.apache.org/jira/browse/AMBARI-15783
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>    Affects Versions: 2.2.2
>            Reporter: Jaimin D Jetly
>            Assignee: Jaimin D Jetly
>            Priority: Critical
>              Labels: regresion
>             Fix For: 2.2.2
>
>
> In certain combination of number of hosts and master component selection, incorrect validation
error is shown on ui.
> Following STR is one of the way to reproduce the issue:
> *STR:*
> # On 2 node cluster, Change Metrics Collector from the default host to another host.
> # Click on next
> # Assign Slaves and Clients page has validation error saying {color:red}Metrics Monitor
component should be installed on all hosts in cluster.{color}
> This happens because recommendation API called by ambari-web when user changed the host
for Metrics collector does not have "Metrics Monitor" recommended for all hosts. 
> *Expected behavior:* A component with cardinality "ALL" should be recommended on all
hosts by component recommendation API irrespective of the data posted with the API.



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