#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"';

      }

}