Current Behavior

Trying get the 'preferred_username' from a json object(ClaimSet from ApiListener with JWT authMethod). It works fine when simply hardcoding the jsonPath as usual like jsonPathExpression="$.preferred_username". However when the exact same jsonPath is provided via a property like jsonPathExpression="${application.kikInzageProxy.auditLogging.userJwtClaim}", it throws the error:

org.frankframework.core.ParameterException: Cannot evaluate JSonPathExpression on parameter value: (PathNotFoundException) No results for path: $['prefered_username']

Looking at how the error, I suspect the property is not actually getting resolved at all and the { } of the property syntax is being interpreted as jsonPath array syntax [ ].

Expected Behavior

Provide jsonPathExpression value via property

Environment Information

FF! 9.3.0-20251004.042332: Kik-Inzage-Api 1.2.0
Running on cece4e969695 using Apache Tomcat/10.1.46
Java Version: OpenJDK Runtime Environment (21.0.8+9-LTS)
Heap size: 211.8 MiB, total JVM memory: 310.0 MiB
Free memory: 98.2 MiB, max memory: 3.8 GiB
Free disk space: 974.7 GiB, total disk space: 1006.9 GiB
Up since: 2025-10-14 17:09:20 (14m), timezone: Europe/Amsterdam

Steps To Reproduce

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Configuration

Input

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What database are you using?

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What browsers are you seeing the problem on?

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Relevant Log Output

Anything else?

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