Omit asymmetric Kotlin properties.

We now skip adding asymmetric Kotlin properties if the getter returns a different type than the setter (e.g. due to value boxing).

Closes #2993

Author: mp911de

src/main/java/org/springframework/data/util/KotlinBeanInfoFactory.java

@@ -68,6 +68,13 @@ public BeanInfo getBeanInfo(Class<?> beanClass) throws IntrospectionException {
 				Method getter = ReflectJvmMapping.getJavaGetter(property);
 				Method setter = property instanceof KMutableProperty<?> kmp ? ReflectJvmMapping.getJavaSetter(kmp) : null;
 
+				if (getter != null && setter != null && setter.getParameterCount() == 1) {
+					if (!getter.getReturnType().equals(setter.getParameters()[0].getType())) {
+						// filter asymmetric getters/setters from being considered a Java Beans property
+						continue;
+					}
+				}
+
 				pds.add(new PropertyDescriptor(property.getName(), getter, setter));
 			}
 		}

src/test/kotlin/org/springframework/data/util/KotlinBeanInfoFactoryUnitTests.kt

@@ -92,6 +92,16 @@ class KotlinBeanInfoFactoryUnitTests {
 		assertThat(pds).extracting("name").contains("myQueryLookupStrategyKey", "repositoryBaseClass")
 	}
 
+	@Test // GH-2993
+	internal fun skipsAsymmetricGettersAndSetters() {
+
+		val pds = BeanUtils.getPropertyDescriptors(MyEntity::class.java)
+
+		assertThat(pds).hasSize(1)
+		assertThat(pds[0].writeMethod).isNull()
+		assertThat(pds[0].readMethod).isNotNull()
+	}
+
 	data class SimpleDataClass(val id: String, var name: String)
 
 	@JvmInline
@@ -123,4 +133,12 @@ class KotlinBeanInfoFactoryUnitTests {
 		}
 	}
 
+	interface Interval<T> {
+		val end: T
+	}
+
+	class MyEntity : Interval<Long> {
+		override var end: Long = -1L
+			protected set
+	}
 }