[I] Missing Value Node in `sh:uniqueLang` Constraint Validation Report [jena]

["aliariff (via GitHub)" <gi...@apache.org>]

aliariff opened a new issue, #3018:
URL: https://github.com/apache/jena/issues/3018

   ### Version
   
   5.3.0
   
   ### What happened?
   
   #### **Issue Description**
   When the `sh:uniqueLang` constraint is violated, the validation report does not include the duplicated value node. This makes it difficult to identify which specific values caused the violation.
   
   #### **Expected Behavior**
   The validation report should provide the duplicated value node, allowing users to pinpoint the exact issue in their data.
   
   #### **Steps to Reproduce**
   1. Define a SHACL shape with `sh:uniqueLang true`.
   2. Validate data that contains multiple values with the same language tag for a property.
   3. Observe the validation report.
   
   #### **Actual Behavior**
   - The validation report states that the constraint was violated but does not indicate the specific duplicated value node.
   
   #### **Expected Behavior**
   - The validation report should include the exact value nodes that caused the violation.
   
   #### **Example**
   ##### **SHACL Shape**
   ```turtle
   ex:BuildingShape a sh:NodeShape ;
       sh:targetClass ex:Building ;
       sh:property [
           sh:path ex:label ;
           sh:datatype rdf:langString ;
           sh:uniqueLang true ;
           sh:message "Each building label should have only one value per language." ;
       ] .
   ```
   
   ##### **Invalid Data**
   ```turtle
   ex:Building1 a ex:Building ;
       ex:label "Building"@en , "Edifice"@en , "Gebäude"@de .
   ```
   
   ### Relevant output and stacktrace
   
   ```shell
   
   ```
   
   ### Are you interested in making a pull request?
   
   Yes


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Re: [I] Missing Value Node in `sh:uniqueLang` Constraint Validation Report [jena]

["afs (via GitHub)" <gi...@apache.org>]

afs closed issue #3018: Missing Value Node in `sh:uniqueLang` Constraint Validation Report
URL: https://github.com/apache/jena/issues/3018


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