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https://issues.apache.org/jira/browse/NIFI-3155?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matt Gilman updated NIFI-3155:
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Fix Version/s: (was: 1.2.0)
> Remote Group Port UUIDs
> -----------------------
>
> Key: NIFI-3155
> URL: https://issues.apache.org/jira/browse/NIFI-3155
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Reporter: Matt Gilman
> Priority: Critical
>
> Remote Group Ports assume the UUID of the port on the target instance. This
> is critical for retaining which port the connection is associated with.
> However, this is problematic for any flow which contains multiple RPGs
> pointed to the same target instance. Associating the underlying component
> when only an ID is known (ie provenance) is impossible as the UUID is
> ambiguous.
> This issue also exists for self-referencing RPGs but is mitigated with extra
> logic around these troublesome scenarios. For instance, we can differentiate
> the Remote Group Port from the Root Group Port of a self-referencing RPG by
> looking at the component type. However, this isn't possible with multiple
> RPGs referencing the same target instance.
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