问题:
Spring Boot 2.6.x版本引入依赖 springfox-boot-starter (Swagger 3.0) 后，启动容器会报错：
Failed to start bean ‘ documentationPluginsBootstrapper ‘ ; nested exception…
原因
Springfox 假设 Spring MVC 的路径匹配策略是 ant-path-matcher，而 Spring Boot 2.6.x版本的默认匹配策略是 path-pattern-matcher，这就造成了上面的报错。
完整解决方案:
1. pom配置
|
1
2
3
4
5
6
7
8
9
10
|
<dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> <version>2.6.4</version></dependency><dependency> <groupId>io.springfox</groupId> <artifactId>springfox-boot-starter</artifactId> <version>3.0.0</version></dependency> |
2. 添加Bean
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
import org.springframework.beans.BeansException;import org.springframework.beans.factory.config.BeanPostProcessor;import org.springframework.stereotype.Component;import org.springframework.util.ReflectionUtils;import org.springframework.web.servlet.mvc.method.RequestMappingInfoHandlerMapping;import springfox.documentation.spring.web.plugins.WebFluxRequestHandlerProvider;import springfox.documentation.spring.web.plugins.WebMvcRequestHandlerProvider; import java.lang.reflect.Field;import java.util.List;import java.util.stream.Collectors; @Componentpublic class SwaggerBeanPostProcessor implements BeanPostProcessor { @Override public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException { if (bean instanceof WebMvcRequestHandlerProvider || bean instanceof WebFluxRequestHandlerProvider) { List<RequestMappingInfoHandlerMapping> handlerMappings = getHandlerMappings(bean); customizeSpringfoxHandlerMappings(handlerMappings); } return bean; } private <T extends RequestMappingInfoHandlerMapping> void customizeSpringfoxHandlerMappings(List<T> mappings) { List<T> copy = mappings.stream() .filter(mapping -> mapping.getPatternParser() == null) .collect(Collectors.toList()); mappings.clear(); mappings.addAll(copy); } @SuppressWarnings("unchecked") private List<RequestMappingInfoHandlerMapping> getHandlerMappings(Object bean) { try { Field field = ReflectionUtils.findField(bean.getClass(), "handlerMappings"); field.setAccessible(true); return (List<RequestMappingInfoHandlerMapping>) field.get(bean); } catch (IllegalArgumentException | IllegalAccessException e) { throw new IllegalStateException(e); } }} |
3. swagger配置类继承 WebMvcConfigurationSupport
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
import org.springframework.context.annotation.Bean;import org.springframework.context.annotation.Configuration;import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;import springfox.documentation.service.ApiInfo;import springfox.documentation.spi.DocumentationType;import springfox.documentation.spring.web.plugins.Docket; @Configurationpublic class Swagger2Config extends WebMvcConfigurationSupport { @Bean public Docket createRestApi() { return new Docket(DocumentationType.SWAGGER_2) .apiInfo(ApiInfo.DEFAULT); } @Override public void addResourceHandlers(ResourceHandlerRegistry registry) { registry. addResourceHandler("/swagger-ui/**") .addResourceLocations("classpath:/META-INF/resources/webjars/springfox-swagger-ui/") .resourceChain(false); }} |
4. 访问 http://{ip}:{port}/swagger-ui/index.html
当然还是要感谢技术大佬,我只会汇总解决了治本的完整解决方法
到此这篇关于Springboot2.6.x高版本与Swagger2版本冲突问题解决方法的文章就介绍到这了,更多相关Springboot2.6.x与Swagger2版本冲突内容请搜索服务器之家以前的文章或继续浏览下面的相关文章希望大家以后多多支持服务器之家！
原文链接：https://blog.csdn.net/cd4479163/article/details/123331140
