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https://issues.apache.org/jira/browse/AMBARI-12103?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14598342#comment-14598342
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Aleksandr Kovalenko commented on AMBARI-12103:
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+1 for the patch
> Add Host Wizard: Adding host with no components fails
> -----------------------------------------------------
>
> Key: AMBARI-12103
> URL: https://issues.apache.org/jira/browse/AMBARI-12103
> Project: Ambari
> Issue Type: Bug
> Components: ambari-web
> Affects Versions: 2.1.0
> Reporter: Antonenko Alexander
> Assignee: Antonenko Alexander
> Priority: Critical
> Fix For: 2.1.0
>
> Attachments: AMBARI-12103.patch, deploy_stuck.png
>
>
> *Steps to reproduce:*
> # Launch Add Host wizard
> # Proceed to Assign Slaves and Clients
> # Unselect all components
> # Proceed to Install, Start and Test
> *Actual result:*
> Deploy stuck;
> Since there is no components to install, no request created;
> JS error thrown:
> {code:java}
> Uncaught TypeError: Cannot read property 'setEach' of undefined
> App.WizardStep9Controller.Em.Controller.extend.setParseHostInfo
> {code}
> *Expected result:*
> Deploy should be instantly completed if there is no request received.
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