Pierre Villard created NIFI-15541:
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Summary: Flow version upgrade binds new process groups to
incorrect parameter context
Key: NIFI-15541
URL: https://issues.apache.org/jira/browse/NIFI-15541
Project: Apache NiFi
Issue Type: Bug
Components: Core Framework, Flow Versioning
Reporter: Pierre Villard
Assignee: Pierre Villard
When upgrading a versioned flow that introduces a new child process group, the
new process group is incorrectly bound to a parameter context matched by name
rather than using the same parameter context as its parent.
Steps to reproduce:
# Create a versioned flow v1 with Process Group A attached to Parameter
Context P
# Create v2 by adding a child Process Group B inside A, also attached to P
# Import v1 twice using "do not keep existing parameter context" - this
creates A1 with P, and A2 with P (1)
# Upgrade A2 from v1 to v2
Current behavior:
The newly added Process Group B in A2 gets bound to P instead of P (1)
Expected behavior:
Process Group B should use P (1), the same parameter context as its parent A2
Root cause:
In StandardVersionedComponentSynchronizer.updateParameterContext(), when a new
child process group is added during synchronization, it looks up parameter
contexts by name globally rather than inheriting from the parent group.
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