no-jira: add message to missing response delcaration in FIB to debug

src/main/java/org/olat/ims/qti21/manager/CorrectResponsesUtil.java

@@ -334,7 +334,10 @@ public class CorrectResponsesUtil {
 	
 	public static final AbstractEntry getCorrectTextResponses(AssessmentItem assessmentItem, TextEntryInteraction interaction) {
 		ResponseDeclaration responseDeclaration = assessmentItem.getResponseDeclaration(interaction.getResponseIdentifier());
-		if(responseDeclaration.hasBaseType(BaseType.STRING) && responseDeclaration.hasCardinality(Cardinality.SINGLE)) {
+		if(responseDeclaration == null) {
+			log.error("Missing declaration for interaction: {} of assessment item: {}", interaction, assessmentItem);
+			return null;
+		} else if(responseDeclaration.hasBaseType(BaseType.STRING) && responseDeclaration.hasCardinality(Cardinality.SINGLE)) {
 			TextEntry textEntry = new TextEntry(interaction);
 			FIBAssessmentItemBuilder.extractTextEntrySettingsFromResponseDeclaration(textEntry, responseDeclaration, new AtomicInteger(), new DoubleAdder());
 			return textEntry;

src/main/java/org/olat/ims/qti21/ui/components/AssessmentObjectVelocityRenderDecorator.java

@@ -603,7 +603,9 @@ public class AssessmentObjectVelocityRenderDecorator extends VelocityRenderDecor
 	}
 	
 	public Boolean isCorrectTextEntry(TextEntryInteraction textEntry) {
-		if(textEntry == null) return null;
+		if(textEntry == null) {
+			return null;
+		}
 		
 		Value val = getResponseValue(textEntry.getResponseIdentifier());
 		if(val == null) {
@@ -612,6 +614,9 @@ public class AssessmentObjectVelocityRenderDecorator extends VelocityRenderDecor
 		
 		String stringuifiedResponses = toString(val);
 		AbstractEntry correctAnswers = CorrectResponsesUtil.getCorrectTextResponses(assessmentItem, textEntry);
+		if(correctAnswers == null) {
+			return null;
+		}
 		stringuifiedResponses = CorrectResponsesUtil.stripResponse(stringuifiedResponses);
 		boolean correct = correctAnswers.match(stringuifiedResponses);
 		return Boolean.valueOf(correct);