Avoid duplicated field serialization in reflection free Jackson serializers

extensions/resteasy-reactive/rest-jackson/deployment/src/main/java/io/quarkus/resteasy/reactive/jackson/deployment/processor/JacksonSerializerFactory.java

@@ -190,13 +190,13 @@ protected boolean createSerializationMethod(ClassInfo classInfo, ClassCreator cl
 
     private boolean serializeObject(ClassInfo classInfo, ClassCreator classCreator, String beanClassName,
             MethodCreator serialize) {
-        Set<String> serializedFields = new HashSet<>();
         SerializationContext ctx = new SerializationContext(serialize, beanClassName);
 
         // jsonGenerator.writeStartObject();
         MethodDescriptor writeStartObject = MethodDescriptor.ofMethod(JSON_GEN_CLASS_NAME, "writeStartObject", "void");
         serialize.invokeVirtualMethod(writeStartObject, ctx.jsonGenerator);
 
+        Set<String> serializedFields = new HashSet<>();
         boolean valid = serializeObjectData(classInfo, classCreator, serialize, ctx, serializedFields);
 
         // jsonGenerator.writeEndObject();
@@ -222,7 +222,7 @@ private boolean serializeFields(ClassInfo classInfo, ClassCreator classCreator,
             SerializationContext ctx, Set<String> serializedFields) {
         for (FieldInfo fieldInfo : classFields(classInfo)) {
             FieldSpecs fieldSpecs = fieldSpecsFromField(classInfo, fieldInfo);
-            if (fieldSpecs != null && serializedFields.add(fieldSpecs.fieldName)) {
+            if (fieldSpecs != null && serializedFields.add(fieldSpecs.jsonName)) {
                 if (fieldSpecs.hasUnknownAnnotation()) {
                     return false;
                 }
@@ -236,7 +236,7 @@ private boolean serializeMethods(ClassInfo classInfo, ClassCreator classCreator,
             SerializationContext ctx, Set<String> serializedFields) {
         for (MethodInfo methodInfo : classMethods(classInfo)) {
             FieldSpecs fieldSpecs = fieldSpecsFromMethod(methodInfo);
-            if (fieldSpecs != null && serializedFields.add(fieldSpecs.fieldName)) {
+            if (fieldSpecs != null && serializedFields.add(fieldSpecs.jsonName)) {
                 if (fieldSpecs.hasUnknownAnnotation()) {
                     return false;
                 }

extensions/resteasy-reactive/rest-jackson/deployment/src/test/java/io/quarkus/resteasy/reactive/jackson/deployment/test/SimpleJsonResource.java

@@ -116,6 +116,13 @@ public Dog echoDog(Dog dog) {
         return dog;
     }
 
+    @POST
+    @Path("/record-echo")
+    @Consumes(MediaType.APPLICATION_JSON)
+    public StateRecord echoDog(StateRecord stateRecord) {
+        return stateRecord;
+    }
+
     @EnableSecureSerialization
     @GET
     @Path("/abstract-cat")

extensions/resteasy-reactive/rest-jackson/deployment/src/test/java/io/quarkus/resteasy/reactive/jackson/deployment/test/SimpleJsonTest.java

@@ -6,6 +6,7 @@
 import static org.hamcrest.Matchers.notNullValue;
 import static org.hamcrest.Matchers.nullValue;
 import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import java.util.function.Supplier;
 
@@ -35,7 +36,7 @@ public JavaArchive get() {
                                     AbstractPet.class, Dog.class, Cat.class, Veterinarian.class, AbstractNamedPet.class,
                                     AbstractUnsecuredPet.class, UnsecuredPet.class, SecuredPersonInterface.class, Frog.class,
                                     Pond.class, FrogBodyParts.class, FrogBodyParts.BodyPart.class, ContainerDTO.class,
-                                    NestedInterface.class)
+                                    NestedInterface.class, StateRecord.class)
                             .addAsResource(new StringAsset("admin-expression=admin\n" +
                                     "user-expression=user\n" +
                                     "birth-date-roles=alice,bob\n"), "application.properties");
@@ -709,4 +710,27 @@ public void testEchoWithMissingPrimitive() {
                 .body("veterinarian.name", Matchers.is("Dolittle"))
                 .body("veterinarian.title", Matchers.nullValue());
     }
+
+    @Test
+    public void testRecordEcho() {
+        String response = RestAssured
+                .with()
+                .body("{\"code\":\"AL\",\"is_enabled\":true,\"name\":\"Alabama\"}")
+                .contentType("application/json; charset=utf-8")
+                .post("/simple/record-echo")
+                .then()
+                .statusCode(200)
+                .contentType("application/json")
+                .body("name", Matchers.is("Alabama"))
+                .body("code", Matchers.is("AL"))
+                .body("is_enabled", Matchers.is(true))
+                .extract()
+                .asString();
+
+        int first = response.indexOf("is_enabled");
+        int last = response.lastIndexOf("is_enabled");
+        // assert that the "is_enabled" field is present only once in the response
+        assertTrue(first >= 0);
+        assertEquals(first, last);
+    }
 }

extensions/resteasy-reactive/rest-jackson/deployment/src/test/java/io/quarkus/resteasy/reactive/jackson/deployment/test/SimpleJsonWithReflectionFreeSerializersTest.java

@@ -25,7 +25,7 @@ public JavaArchive get() {
                                     AbstractPet.class, Dog.class, Cat.class, Veterinarian.class, AbstractNamedPet.class,
                                     AbstractUnsecuredPet.class, UnsecuredPet.class, SecuredPersonInterface.class, Frog.class,
                                     Pond.class, FrogBodyParts.class, FrogBodyParts.BodyPart.class, ContainerDTO.class,
-                                    NestedInterface.class)
+                                    NestedInterface.class, StateRecord.class)
                             .addAsResource(new StringAsset("admin-expression=admin\n" +
                                     "user-expression=user\n" +
                                     "birth-date-roles=alice,bob\n" +

extensions/resteasy-reactive/rest-jackson/deployment/src/test/java/io/quarkus/resteasy/reactive/jackson/deployment/test/StateRecord.java

@@ -0,0 +1,8 @@
+package io.quarkus.resteasy.reactive.jackson.deployment.test;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+@JsonIgnoreProperties(ignoreUnknown = true)
+public record StateRecord(String name, String code, @JsonProperty("is_enabled") boolean isEnabled) {
+}