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https://issues.apache.org/jira/browse/NIFI-3155?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16302509#comment-16302509
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ASF subversion and git services commented on NIFI-3155:
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Commit 49285d325f9ec8fe687b513ee4d2146d99ef6579 in nifi's branch
refs/heads/master from [~aldrin]
[ https://git-wip-us.apache.org/repos/asf?p=nifi.git;h=49285d3 ]
NIFI-4719 - Incrementing Template encoding version to 1.2 to reflect changes
incorporated in NIFI-3155
Signed-off-by: Pierre Villard <[email protected]>
This closes #2357.
> 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
> Assignee: Mark Payne
> Priority: Critical
> Fix For: 1.5.0
>
>
> 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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