Josef Zahner created NIFI-15366:
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Summary: "Show Local Changes" broken for nested NiFi Registry
Process Groups
Key: NIFI-15366
URL: https://issues.apache.org/jira/browse/NIFI-15366
Project: Apache NiFi
Issue Type: Bug
Components: Core UI
Affects Versions: 2.7.1
Reporter: Josef Zahner
Attachments: image-2025-12-18-15-16-00-333.png,
image-2025-12-18-15-17-02-572.png
Steps to reproduce:
We have a parent process group (PG) and child PGs. All PGs (parents and childs)
are committed to the NiFi Registry. As soon as you change something on the
parent canvas, the Dialog "Version -> Show Local Changes" shows a change for
every single child PG canvas element (connection, processor, ports,...), plus
of course the correct change from the parent canvas.
Please check the example screenshot below. Parent PG and child PG was committed
to the NiFi Registry - no changes in the canvas yet. Go to the parent canvas
and add a processor (in my case DeduplicateRecord). The "Version -> Show Local
Changes" Dialog shows a lot of changes, which is clearly wrong as the child
elements shouldn't be tracked at all in the parent in this case.
In production we have thousands of elements within a canvas, with that bug we
can't see anymore what has changed as soon as we make a single change on the
parent.
h2. PG Parent
!image-2025-12-18-15-16-00-333.png!
h2. PG Child:
!image-2025-12-18-15-17-02-572.png!
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