• springboot 2.6.x整合swagger2 3.0.0报错异常整理及解决办法


    目前本版本的springboot是2.6.6,swagger是3.0.0;

    1、pom依赖

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.6.6</version>
        <relativePath/>
    </parent>
    
    
    <dependency>
        <groupId>io.springfox</groupId>
        <artifactId>springfox-boot-starter</artifactId>
        <version>3.0.0</version>
    </dependency>

    2、问题1:Failed to start bean ‘documentationPluginsBootstrapper’; nested exception is java.lang.NullPointerException

    导致项目无法启动

    解决办法:在SwaggerConfig中引入bean

    @Bean
        public static BeanPostProcessor springfoxHandlerProviderBeanPostProcessor() {
            return new BeanPostProcessor() {
    
                @Override
                public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {
                    if (bean instanceof WebMvcRequestHandlerProvider || bean instanceof WebFluxRequestHandlerProvider) {
                        customizeSpringfoxHandlerMappings(getHandlerMappings(bean));
                    }
                    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、问题2:工程能启动了,但是无法访问swagger接口

    在application.yml配置文件中增加如下配置:

    spring:
      mvc:
        pathmatch:
          matching-strategy: ANT_PATH_MATCHER
  • 相关阅读:
    Android studio 中国的垃圾问题解决
    实现一个简单的boot
    代理下载android4.4源代码
    《程序员在第一季度追姐姐的书》——提升自己的形象气质
    第46周四
    Spring单例与线程安全小结
    2014第46周二
    第46周一
    第45周日
    第45周六
  • 原文地址:https://www.cnblogs.com/tangmj/p/16111978.html
Copyright © 2020-2023  润新知