| Package | Description | 
|---|---|
| org.springframework.messaging.handler.annotation.support | Support classes for working with annotated message-handling methods. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | MethodArgumentNotValidExceptionException to be thrown when a method argument fails validation perhaps as a
 result of  @Validstyle validation, or perhaps because it is required. | 
| class  | MethodArgumentTypeMismatchExceptionException that indicates that a method argument has not the expected type. |