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https://issues.apache.org/jira/browse/NIFI-3417?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15843831#comment-15843831
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Matt Gilman commented on NIFI-3417:
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Yes, templates are associated with a Process Group to establish base
permissions for when the template is created (just like creating other
components). Check out [1] for the details.
[1] https://issues.apache.org/jira/browse/NIFI-2530
> Allow users to delete process groups containing template definitions
> --------------------------------------------------------------------
>
> Key: NIFI-3417
> URL: https://issues.apache.org/jira/browse/NIFI-3417
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Core Framework
> Affects Versions: 1.1.1
> Reporter: Andy LoPresto
> Priority: Minor
> Labels: process-group, template
>
> As reported on the mailing list, a user encountered an issue trying to delete
> what appeared to be an empty process group because it contained template
> definitions.
> I propose that the error dialog should allow for (2 - 4) options to resolve
> this issue:
> # Delete this process group and any contained templates (if the process group
> is empty, the template definitions are now irrelevant anyway)
> # Cancel (current option)
> Other possibilities:
> # Delete and move all template definitions to the parent process group (this
> could cause broken connections/lost definitions)
> # Delete and export all template definitions to XML (again, not sure this
> would be of any value as the components and connections no longer exist)
> This probably needs some discussion, especially if [~mcgilman] can weigh in.
> [Link to mailing list
> thread|https://lists.apache.org/thread.html/10ad2b010bfd4a24e67ca1ad606247a359ce5b47f7db95c03c98cd4d@%3Cusers.nifi.apache.org%3E]
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