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https://issues.apache.org/jira/browse/NIFI-13572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17868521#comment-17868521
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Pierre Villard commented on NIFI-13572:
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Hi [~EndzeitBegins] - thanks for the feedback.
Here is a good thread discussion about this:
[https://apachenifi.slack.com/archives/C0L9VCD47/p1721768947271509]
Can you describe in which scenarios it can be better to have ghosted components
rather than using latest?
In the linked thread we feel like it could be a nifi.properties configuration
but not something exposed in the UI that could be very confusing for users.
> Option to switch to latest version when checking out versioned flow
> -------------------------------------------------------------------
>
> Key: NIFI-13572
> URL: https://issues.apache.org/jira/browse/NIFI-13572
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Core Framework, SDLC
> Reporter: Pierre Villard
> Priority: Major
>
> Consider a flow being developed when using NiFi version X. The versioned flow
> (regardless of the registry implementation) will reference version X for the
> components of the flow.
> Later, NiFi is upgraded to version Y and only has components with version Y.
> If checking out the versioned flow in NiFi, it'll automatically use version Y
> of the components even though the flow is referencing version X.
> Now consider, that a version Z of the components is added to NiFi (could be
> custom components for which a new version is deployed). If checking out the
> versioned flow, ghost components will be created because NiFi will not make a
> decision for switching the components from versions X to version Y or Z. It'd
> be then be required to manually go and change the version of the components
> (or use the CLI for that) and version a new version of the flow to avoid the
> same issue later on.
> While the current behavior is understandable, I think this provides a poor
> user experience and, in most scenarios, users would likely want to use latest
> version available when multiple are available.
> The proposal is to have a checkbox in the check out step (it should also be
> reflected with a flag in the corresponding CLI command), that would be
> checked by default to use the latest version of the components when multiple
> versions are available.
> This option should be made available in two places: when uploading a JSON
> flow definition and when checking out a versioned flow via a registry client.
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