polishing

spring-messaging/src/main/java/org/springframework/messaging/handler/annotation/support/AbstractMethodArgumentResolutionException.java

@@ -62,7 +62,7 @@ public abstract class AbstractMethodArgumentResolutionException extends Messagin
 	protected static String getMethodParamMessage(MethodParameter param) {
 		return new StringBuilder("Could not resolve method parameter at index ")
 				.append(param.getParameterIndex()).append(" in method: ")
-				.append(param.getMethod().toGenericString()).toString();
+				.append(param.getMethod().toGenericString()).append(" ").toString();
 	}
 
 }

spring-messaging/src/main/java/org/springframework/messaging/handler/annotation/support/MessageMethodArgumentResolver.java

@@ -55,7 +55,7 @@ public class MessageMethodArgumentResolver implements HandlerMethodArgumentResol
 
 		if (expectedPayloadType != null && !expectedPayloadType.isInstance(payload)) {
 			throw new MethodArgumentTypeMismatchException(message, parameter,
-					"The expected Message<?> payload type [" + expectedPayloadType.getClass().getName() +
+					"The expected Message<?> payload type [" + expectedPayloadType.getName() +
 					"] does not match the actual payload type [" + payload.getClass().getName() + "]");
 		}