Swagger-UI提示Unable to infer base url. This is common when using dynamic servlet registration

一、问题描述

springfox-swagger2用的版本是2.8.0:

<dependency>
	<groupId>io.springfox</groupId>
	<artifactId>springfox-swagger-ui</artifactId>
	<version>2.8.0</version>
</dependency>
<dependency>
	<groupId>io.springfox</groupId>
	<artifactId>springfox-swagger2</artifactId>
	<version>2.8.0</version>
</dependency>
<dependency>
	<groupId>io.springfox</groupId>
	<artifactId>springfox-bean-validators</artifactId>
	<version>2.8.0</version>
</dependency><de