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https://issues.apache.org/jira/browse/NIFI-6160?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Lim updated NIFI-6160:
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    Description: 
When creating a Process group and providing no name, a pop-up appears with the 
title "Create Process Group" with the message "The group name is required." 
Selecting OK returns the user to the canvas.  User has to drag a PG again onto 
the canvas to resume the process.

It should be more like RPG creation.  During RPG creation, if no name is 
provided a pop-up with the title "Configuration Error" is shown with the 
message "The URI of the process group must be specified."  Selecting OK returns 
the user to the Add Remote Process Group window.  This is a good UX.

So applying this to process group creation.  If no name is supplied:
 * open a pop-up with the title "Configuration Error"
 * the message should say "The name of the process group must be specified."
 * Selecting OK returns the user to the "Add Process Group" window

  was:
When creating a Process group and provided no name, a pop-up appears with the 
title "Create Process Group" with the message "The group name is required." 
Selecting OK returns the user to the canvas.

It should be more like RPG creation.  During RPG creation, if no name is 
provided a pop-up with the title "Configuration Error" is shown with the 
message "The URI of the process group must be specified."  Selecting OK returns 
the user to the Add Remote Process Group window.  This is a good UX.

So applying this to a process group.  If no name is supplied:
 * open a pop-up with the title "Configuration Error"
 * the message should say "The name of the process group must be specified."
 * Selecting OK returns the user to the "Add Process Group" window


> During process group creation, if no name is provided, improve error pop-up 
> and do not close creation window
> ------------------------------------------------------------------------------------------------------------
>
>                 Key: NIFI-6160
>                 URL: https://issues.apache.org/jira/browse/NIFI-6160
>             Project: Apache NiFi
>          Issue Type: Improvement
>          Components: Core UI
>            Reporter: Andrew Lim
>            Priority: Minor
>
> When creating a Process group and providing no name, a pop-up appears with 
> the title "Create Process Group" with the message "The group name is 
> required." Selecting OK returns the user to the canvas.  User has to drag a 
> PG again onto the canvas to resume the process.
> It should be more like RPG creation.  During RPG creation, if no name is 
> provided a pop-up with the title "Configuration Error" is shown with the 
> message "The URI of the process group must be specified."  Selecting OK 
> returns the user to the Add Remote Process Group window.  This is a good UX.
> So applying this to process group creation.  If no name is supplied:
>  * open a pop-up with the title "Configuration Error"
>  * the message should say "The name of the process group must be specified."
>  * Selecting OK returns the user to the "Add Process Group" window



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