Add test for, mark as fixed, #3439

release-notes/VERSION-2.x

@@ -16,6 +16,8 @@ Project: jackson-databind
 #3241: `constructorDetector` seems to invalidate `defaultSetterInfo`
   for nullability
  (reported by @joca-bt)
+#3439: Java Record `@JsonAnySetter` value is null after deserialization
+ (reported by @oujesky)
 #4085: `@JsonView` does not work on class-level for records
  (reported by Ulf D)
 #4119: Exception when deserialization uses a record with a constructor

src/test-jdk17/java/com/fasterxml/jackson/databind/records/RecordCreatorWithAnySetter562Test.java → src/test-jdk17/java/com/fasterxml/jackson/databind/records/RecordCreatorWithAnySetterTest.java

@@ -12,20 +12,26 @@
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
 // [databind#562] Allow @JsonAnySetter on Creator constructors
-public class RecordCreatorWithAnySetter562Test
+// [databind#3439] Java Record @JsonAnySetter value is null after deserialization
+public class RecordCreatorWithAnySetterTest
         extends DatabindTestUtil
 {
-    record RecordWithAnySetterCtor(int id,
+    record RecordWithAnySetterCtor562(int id,
             Map<String, Integer> additionalProperties) {
         @JsonCreator
-        public RecordWithAnySetterCtor(@JsonProperty("regular") int id,
+        public RecordWithAnySetterCtor562(@JsonProperty("regular") int id,
                 @JsonAnySetter Map<String, Integer> additionalProperties
         ) {
             this.id = id;
             this.additionalProperties = additionalProperties;
         }
     }
 
+    record TestRecord3439(
+            @JsonProperty String field,
+            @JsonAnySetter Map<String, Object> anySetter
+        ) {}
+
     /*
     /**********************************************************************
     /* Test methods, alternate constructors
@@ -34,21 +40,40 @@ public RecordWithAnySetterCtor(@JsonProperty("regular") int id,
 
     private final ObjectMapper MAPPER = newJsonMapper();
 
+    // [databind#562]
     @Test
     public void testRecordWithAnySetterCtor() throws Exception
     {
         // First, only regular property mapped
-        RecordWithAnySetterCtor result = MAPPER.readValue(a2q("{'regular':13}"),
-                RecordWithAnySetterCtor.class);
+        RecordWithAnySetterCtor562 result = MAPPER.readValue(a2q("{'regular':13}"),
+                RecordWithAnySetterCtor562.class);
         assertEquals(13, result.id);
         assertEquals(0, result.additionalProperties.size());
 
         // Then with unknown properties
         result = MAPPER.readValue(a2q("{'regular':13, 'unknown':99, 'extra':-1}"),
-                RecordWithAnySetterCtor.class);
+                RecordWithAnySetterCtor562.class);
         assertEquals(13, result.id);
         assertEquals(Integer.valueOf(99), result.additionalProperties.get("unknown"));
         assertEquals(Integer.valueOf(-1), result.additionalProperties.get("extra"));
         assertEquals(2, result.additionalProperties.size());
     }
+
+    // [databind#3439]
+    @Test
+    public void testJsonAnySetterOnRecord() throws Exception {
+        String json = """
+            {
+                "field": "value",
+                "unmapped1": "value1",
+                "unmapped2": "value2"
+            }
+            """;
+
+        TestRecord3439 result = MAPPER.readValue(json, TestRecord3439.class);
+
+        assertEquals("value", result.field());
+        assertEquals(Map.of("unmapped1", "value1", "unmapped2", "value2"),
+                result.anySetter());
+    }
 }