FHIR Chat · Java validator and Simplifier disagree on slice validity

Stream: conformance

Topic: Java validator and Simplifier disagree on slice validity

Morten Ernebjerg (Dec 13 2018 at 12:06):

I am getting a validation error with the latest Java JAR Validator when trying to validate a resource against the following STU3 Observation profile: http://fhir.de/StructureDefinition/observation-de-blutdruck/0.2. The online Simplifier validator (https://simplifier.net/validate), however, says that the very same resource is valid. Is there a known problem with such cases in either validator?

Here is the error I am getting from the JAR (it is a blood pressure profile in which both Observation.component and Observation.component.code.coding are sliced):

java -jar validator/org.hl7.fhir.validator.jar -version 3.0.1 -ig profiles/ examples/
(...)
*FAILURE* validating examples/bp-base-example.xml:  error:4 warn:0 info:0
  Error @ Observation.component[1] (line 20, col16) : Error in discriminator at Observation.component:diastolisch.code.coding: slicing found
  Error @ Observation.component[1] (line 20, col16) : Error in discriminator at Observation.component:systolisch.code.coding: slicing found
  Error @ Observation.component[2] (line 34, col16) : Error in discriminator at Observation.component:diastolisch.code.coding: slicing found
  Error @ Observation.component[2] (line 34, col16) : Error in discriminator at Observation.component:systolisch.code.coding: slicing found

and here is the example:

<Observation
    xmlns="http://hl7.org/fhir">
    <meta>
        <profile value ="http://fhir.de/StructureDefinition/observation-de-blutdruck/0.2"/>
    </meta>
    <status value="final"/>
    <code>
        <coding>
            <system value="http://loinc.org"/>
            <code value="85354-9"/>
        </coding>
    </code>
    <subject>
        <reference value="Patient/patient-example"/>
    </subject>
    <effectiveDateTime value="2016-03-21T18:01:10Z"/>
    <performer>
        <reference value="Practitioner/practitioner-example"/>
    </performer>
    <component>
        <code>
            <coding>
                <system value="http://loinc.org"/>
                <code value="8462-4"/>
            </coding>
        </code>
        <valueQuantity>
            <value value="58"/>
            <unit value="mmHg"/>
            <system value="http://unitsofmeasure.org"/>
            <code value="mm[Hg]"/>
        </valueQuantity>
    </component>
    <component>
        <code>
            <coding>
                <system value="http://loinc.org"/>
                <code value="8480-6"/>
            </coding>
        </code>
        <valueQuantity>
            <value value="111"/>
            <unit value="mmHg"/>
            <system value="http://unitsofmeasure.org"/>
            <code value="mm[Hg]"/>
        </valueQuantity>
    </component>
</Observation>

Patrick Werner (Dec 13 2018 at 13:53):

Hi Morten, this is coming from the STU3 FHIR spec: sdf-20: On StructureDefinition.differential: No slicing on the root element (expression on StructureDefinition.differential: element.first().slicing.empty())

Patrick Werner (Dec 13 2018 at 13:54):

In R4 this is fixed. Will there be a fix for STU3? @Grahame Grieve
I had multiple reports from users in Germany struggling while validating STU3 resources because of sdf-20. The .net validator already fixed sdf-20

Grahame Grieve (Dec 13 2018 at 20:14):

we will be considering releasing a set of technical corrections for R3 once R4 is published

Morten Ernebjerg (Dec 14 2018 at 11:18):

A correction would be much appreciated, e.g. we would also like to run automatic validation of StructureDefinitions in our CI-pipeline but cannot due to sdf-20.

Morten Ernebjerg (Dec 17 2018 at 09:19):

Suggested (per mail) the inclusion of the corresponding GForge item (#13768) in the list of upcoming technical corrections to STU3, as per this announcement.

Richard Townley-O'Neill (Apr 23 2019 at 00:28):

Link to announcement is now https://chat.fhir.org/#narrow/stream/179240-Announcements/topic/R3.20Technical.20Corrections

Last updated: Apr 12 2022 at 19:14 UTC

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FHIR Chat · Java validator and Simplifier disagree on slice validity · conformance