Always invoke Jackson serialization with AtomicReference cause

Issue: SPR-15760
(cherry picked from commit 5f767a8)

Author: jhoeller

spring-messaging/src/main/java/org/springframework/messaging/converter/MappingJackson2MessageConverter.java

@@ -142,9 +142,6 @@ protected boolean canConvertFrom(Message<?> message, Class<?> targetClass) {
 			return false;
 		}
 		JavaType javaType = this.objectMapper.constructType(targetClass);
-		if (!logger.isWarnEnabled()) {
-			return this.objectMapper.canDeserialize(javaType);
-		}
 		AtomicReference<Throwable> causeRef = new AtomicReference<Throwable>();
 		if (this.objectMapper.canDeserialize(javaType, causeRef)) {
 			return true;
@@ -158,9 +155,6 @@ protected boolean canConvertTo(Object payload, MessageHeaders headers) {
 		if (payload == null || !supportsMimeType(headers)) {
 			return false;
 		}
-		if (!logger.isWarnEnabled()) {
-			return this.objectMapper.canSerialize(payload.getClass());
-		}
 		AtomicReference<Throwable> causeRef = new AtomicReference<Throwable>();
 		if (this.objectMapper.canSerialize(payload.getClass(), causeRef)) {
 			return true;

spring-web/src/main/java/org/springframework/http/converter/json/AbstractJackson2HttpMessageConverter.java

@@ -155,9 +155,6 @@ public boolean canRead(Type type, Class<?> contextClass, MediaType mediaType) {
 			return false;
 		}
 		JavaType javaType = getJavaType(type, contextClass);
-		if (!logger.isWarnEnabled()) {
-			return this.objectMapper.canDeserialize(javaType);
-		}
 		AtomicReference<Throwable> causeRef = new AtomicReference<Throwable>();
 		if (this.objectMapper.canDeserialize(javaType, causeRef)) {
 			return true;
@@ -171,9 +168,6 @@ public boolean canWrite(Class<?> clazz, MediaType mediaType) {
 		if (!canWrite(mediaType)) {
 			return false;
 		}
-		if (!logger.isWarnEnabled()) {
-			return this.objectMapper.canSerialize(clazz);
-		}
 		AtomicReference<Throwable> causeRef = new AtomicReference<Throwable>();
 		if (this.objectMapper.canSerialize(clazz, causeRef)) {
 			return true;