fix: ignore duplicate operationId when source is overridden method

core/src/main/java/io/smallrye/openapi/runtime/scanner/spi/AnnotationScanner.java

@@ -305,9 +305,23 @@ default Optional<Operation> processOperation(final AnnotationScannerContext cont
 
         // validate operationId
         String operationId = operation.getOperationId();
+
         if (operationId != null) {
-            final MethodInfo conflictingMethod = context.getOperationIdMap().putIfAbsent(operationId, method);
-            if (conflictingMethod != null) {
+            saveOperationId(context, resourceClass, method, operationId);
+        }
+
+        return Optional.of(operation);
+    }
+
+    private void saveOperationId(AnnotationScannerContext context, ClassInfo resourceClass, MethodInfo method,
+            String operationId) {
+        final MethodInfo conflictingMethod = context.getOperationIdMap().putIfAbsent(operationId, method);
+
+        if (conflictingMethod != null) {
+            if (context.getAugmentedIndex().ancestry(method).values().contains(conflictingMethod)) {
+                // The conflict was a method from a parent class, replace it
+                context.getOperationIdMap().put(operationId, method);
+            } else {
                 final ClassInfo conflictingClass = conflictingMethod.declaringClass();
                 final String className = resourceClass.name().toString();
                 final String methodName = method.toString();
@@ -322,8 +336,6 @@ default Optional<Operation> processOperation(final AnnotationScannerContext cont
                 }
             }
         }
-
-        return Optional.of(operation);
     }
 
     default void setJsonViewContext(AnnotationScannerContext context, Type[] views) {

core/src/test/java/io/smallrye/openapi/runtime/scanner/LogCapture.java

@@ -90,6 +90,25 @@ public LogRecord assertLogContaining(String substring) {
         }
     }
 
+    public void assertNoLogContaining(String substring) {
+        synchronized (handler.records) {
+            for (LogRecord rec : handler.records) {
+                if (rec.getMessage().contains(substring)) {
+                    StringBuilder sb = new StringBuilder();
+                    sb.append("Log containing \"").append(substring).append("\" was found.");
+                    sb.append("\n");
+                    sb.append("Log records recorded:\n");
+                    for (LogRecord r : handler.records) {
+                        sb.append("[").append(r.getLevel()).append("] ");
+                        sb.append(r.getMessage()).append("\n");
+                    }
+
+                    throw new AssertionError(sb.toString());
+                }
+            }
+        }
+    }
+
     private static class TestHandler extends Handler {
 
         private List<LogRecord> records = Collections.synchronizedList(new ArrayList<>());

extension-jaxrs/src/test/java/io/smallrye/openapi/runtime/scanner/OperationIdTest.java

@@ -5,6 +5,7 @@
 import org.eclipse.microprofile.openapi.models.OpenAPI;
 import org.jboss.jandex.Index;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.RegisterExtension;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.CsvSource;
 
@@ -23,6 +24,9 @@
  */
 class OperationIdTest extends JaxRsDataObjectScannerTestBase {
 
+    @RegisterExtension
+    public LogCapture logs = new LogCapture(ScannerLogging.class.getPackage().getName());
+
     @ParameterizedTest
     @CsvSource({
             "METHOD, test.io.smallrye.openapi.runtime.scanner.resources.javax.GreetingGetResource, resource.testOperationIdMethod.json",
@@ -56,6 +60,7 @@ void testInheritedOperationIdsUtilizeConcreteClassName() throws Exception {
             OpenAPI result = OpenApiProcessor.bootstrap(config, index);
             printToConsole(result);
             assertJsonEquals("resource.testOperationIdWithInheritance.json", result);
+            logs.assertNoLogContaining("Duplicate operationId");
         } finally {
             System.clearProperty(SmallRyeOASConfig.OPERATION_ID_STRAGEGY);
         }

extension-jaxrs/src/test/java/test/io/smallrye/openapi/runtime/scanner/resources/jakarta/Salutation.java

@@ -8,6 +8,8 @@ public interface Salutation {
 
     @GET
     @Produces(MediaType.TEXT_PLAIN)
-    public String get();
+    default String get() {
+        return "hi";
+    }
 
 }

extension-jaxrs/src/test/java/test/io/smallrye/openapi/runtime/scanner/resources/jakarta/SalutationEnglish.java

@@ -1,11 +1,16 @@
 package test.io.smallrye.openapi.runtime.scanner.resources.jakarta;
 
+import jakarta.ws.rs.GET;
 import jakarta.ws.rs.Path;
+import jakarta.ws.rs.Produces;
+import jakarta.ws.rs.core.MediaType;
 
 @Path("/english")
 public class SalutationEnglish implements Salutation {
 
     @Override
+    @GET
+    @Produces(MediaType.TEXT_PLAIN)
     public String get() {
         return "hello";
     }

extension-jaxrs/src/test/java/test/io/smallrye/openapi/runtime/scanner/resources/jakarta/SalutationSpanish.java

@@ -1,11 +1,16 @@
 package test.io.smallrye.openapi.runtime.scanner.resources.jakarta;
 
+import jakarta.ws.rs.GET;
 import jakarta.ws.rs.Path;
+import jakarta.ws.rs.Produces;
+import jakarta.ws.rs.core.MediaType;
 
 @Path("/spanish")
 public class SalutationSpanish implements Salutation {
 
     @Override
+    @GET
+    @Produces(MediaType.TEXT_PLAIN)
     public String get() {
         return "hola";
     }