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https://issues.apache.org/jira/browse/NIFI-4693?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16289372#comment-16289372
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Matt Gilman commented on NIFI-4693:
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[~benwatson528] This is not an unwanted feature. However, it is something that
folks are very passionate about and I believe there have been discussions about
it in the past. Currently, there are some checks in place to ensure the action
is safe.
- There is no data in the PG
- The PG's ports are not connected to components outside of the PG
- All Controller Services and Templates have been removed
Past discussions have offered a few options to support folks that want to
verify each delete action and folks that prefer a more streamlined experience.
- Implement true Undo capabilities (a totally separate effort that may make
confirmation OBE)
- Allow an admin to configure (maybe in nifi.properties) whether the UI should
confirm all delete actions
- Support user preferences (would likely require the introduction of
cluster-wide server-side state per user)
Before investing a lot of time, it may be worthwhile to start a DISCUSS thread
on either the user or dev mailing list to gauge current preferences of the
community.
> Prompt for confirmation when deleting a Process Group
> -----------------------------------------------------
>
> Key: NIFI-4693
> URL: https://issues.apache.org/jira/browse/NIFI-4693
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Core UI
> Affects Versions: 1.4.0
> Reporter: Ben Watson
> Priority: Minor
> Labels: beginner, process-group, ui
>
> It is currently possible to delete a Process Group in one click. Accidentally
> deleting a Process Group when trying to delete other Processes can result in
> lots of disruption.
> My proposal is for a confirmation box "Are you sure you want to delete this
> Process Group?" to appear when deleting a Process Group.
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