Bryan Bende created NIFI-15748:
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Summary: Parameter Context update fails when removing inherited
context that has asset-referencing parameters
Key: NIFI-15748
URL: https://issues.apache.org/jira/browse/NIFI-15748
Project: Apache NiFi
Issue Type: Bug
Reporter: Bryan Bende
Assignee: Bryan Bende
When updating a Parameter Context to remove an inherited Parameter Context that
contains a parameter referencing an Asset, the update request fails with:
{code:java}
Request contains a reference to an Asset (AssetReferenceDTO[id=..., name=...])
that does not exist in Parameter Context (...) {code}
The root cause is in {{{}ParameterContextResource.validateAssetReferences(){}}}.
When the UI submits a parameter context update, the request body includes the
full merged parameter list (including inherited parameters marked with
{{{}inherited=true{}}}). The validation iterates over all parameters and checks
that each referenced asset belongs to the parameter context being updated.
However, assets belonging to inherited parameters are owned by their
originating child context, not the parent. The validation fails because it does
not skip inherited parameters, even though downstream persistence logic
({{{}StandardParameterContextDAO.getParameters(){}}}) already correctly ignores
them.
Steps to Reproduce
# Create two Parameter Contexts — "ChildA" and "ChildB"
# Upload an Asset to ChildA (e.g., a text file)
# Add a parameter to ChildA (e.g., "fileToIngest") and set it to reference the
uploaded Asset
# Create a third Parameter Context ("Parent") that inherits both ChildA and
ChildB
# Edit the Parent context and remove ChildA from the inherited contexts list
# Click Apply
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