Swagger's pit

• Can't find getPluginFor
  NoSuchMethodError: org.springframework.plugin.core.PluginRegistry.getPluginFor
  springboot 2 above , Don't use swagger 3 Version above ,springboot It is impossible to downgrade , hold swagger drop to 2.92, Don't use the latest

		<dependency>
			<groupId>io.springfox</groupId>
			<artifactId>springfox-swagger2</artifactId>
			<version>2.9.2</version>
		</dependency>
		<dependency>
			<groupId>io.springfox</groupId>
			<artifactId>springfox-swagger-ui</artifactId>
			<version>2.9.2</version>
		</dependency>

Reference resources https://stackoverflow.com/questions/59703461/nosuchmethoderror-org-springframework-plugin-core-pluginregistry-getpluginordef

• WebMvcConfigurationSupport、 WebMvcConfigurer Be careful
  It is used in pure back-end components swagger, If it is springboot+thymeleaf+Security It's more troublesome , The path will be in a mess , Various 404（ There may be something that can be solved , But it's more troublesome ）
• Jackson The problem of
  I have a project myself , Fully transformed into gson, So it ruled out jackson-databind,swagger It is used. Jackson , Let it out ( There may be the problem of avoiding rules , But it's really unfriendly )

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
<!--            <exclusions>-->
<!--                <exclusion>-->
<!--                    <groupId>com.fasterxml.jackson.core</groupId>-->
<!--                    <artifactId>jackson-databind</artifactId>-->
<!--                </exclusion>-->
<!--            </exclusions>-->
        </dependency>

• Remember to turn off
  @ConditionalOnProperty (name = “swagger.enable”, havingValue = “true”)
  Then add
  swagger.enable=true
  The production environment does not add , Off by default

Unable to infer base url. This is common when using dynamic servlet registration or when the API is behind an API Gateway. The base url is the root of where all the swagger resources are served. For e.g. if the api is available at http://example.org/api/v2/api-docs then the base url is http://example.org/api/. Please enter the location manually: 

• Download files such as Excel Or upload files
  This will obviously go wrong