#出现错误时, 直接抛出异常
spring.mvc.throw-exception-if-no-handler-found=true
#不要为我们工程中的资源文件建立映射
spring.resources.add-mappings=false
如果设置为ture,当访问不存在的路径或入参解析异常等，会出现框架自定义异常即1.2的配置的异常信息，swagger出现404

如果设为false,swagger正常，其它异常会出现如下页面

Whitelabel Error Page

This application has no explicit mapping for /error, so you are seeing this as a fallback.

ControllerAdvice
public class GlobalExceptionHandler {
@ExceptionHandler(value = Exception.class)
    @ResponseBody
    public String defaultErrorHandler(HttpServletRequest req, Exception e) throws Exception {
return "xxx";
}
}

@Controller
@RequestMapping("${server.error.path:${error.path:/error}}")
public class FundaErrorController  implements ErrorController {
    private static final String PATH = "/error";
 
    @Autowired
    private ErrorAttributes errorAttributes;
 
    @Override
    public String getErrorPath() {
        return PATH;
    }
 
 
    @RequestMapping
    @ResponseBody
    public String doHandleError(HttpServletRequest request) {
           return "xxxx"‘;
      }  
}