Document source location of version resolution error message #7488
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[WIP] Investigate error source for multiple Resource URLs
Document source location of version resolution error message
Jan 20, 2026
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Identified the source of the error message: "Found more than one Resource with the same URL...with date-like versions except for...and was unable to determine a default version using date-format versioning"
Finding
Error originates from external dependency
ca.uhn.hapi.fhir:org.hl7.fhir.utilities:6.7.9, not hapi-fhir codebase.Source repository: https://github.com/hapifhir/org.hl7.fhir.core
Likely source files:
org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/context/BaseWorkerContext.javaorg.hl7.fhir.r4b/src/main/java/org/hl7/fhir/r4b/context/BaseWorkerContext.javaorg.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/terminologies/validation/ValueSetValidator.javaThese files contain version resolution logic for FHIR resources with date-based versioning and construct "Found more than one Resource" error messages.
Original prompt
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