No qualifying bean of type 'org.springframework.boot.autoconfigure.http.HttpMessageConverters&#

Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'org.springframework.boot.autoconfigure.http.HttpMessageConverters' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.raiseNoMatchingBeanFound(DefaultListableBeanFactory.java:1799) ~[spring-beans-5.3.20.jar:5.3.20]
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1355) ~[spring-beans-5.3.20.jar:5.3.20]
	at org.springframework.beans.factory.support.DefaultListableBeanFactory$DependencyObjectProvider.getObject(DefaultListableBeanFactory.java:1988) ~[spring-beans-5.3.20.jar:5.3.20]
	at org.springframework.cloud.openfeign.support.SpringEncoder.encodeWithMessageConverter(SpringEncoder.java:140) ~[spring-cloud-openfeign-core-3.1.3.jar:3.1.3]
	at org.springframework.cloud.openfeign.support.SpringEncoder.encode(SpringEncoder.java:134) ~[spring-cloud-openfeign-core-3.1.3.jar:3.1.3]
	at org.springframework.cloud.openfeign.support.PageableSpringEncoder.encode(PageableSpringEncoder.java:101) ~[spring-cloud-openfeign-core-3.1.3.jar:3.1.3]
	at feign.ReflectiveFeign$BuildEncodedTemplateFromArgs.resolve(ReflectiveFeign.java:396) ~[feign-core-11.8.jar:?]
	... 18 more

在@SpringBootConfiguration 类中添加如下代码：

    @Bean
    @ConditionalOnMissingBean
    public HttpMessageConverters messageConverters(ObjectProvider<HttpMessageConverter<?>> converters) {
        return new HttpMessageConverters(converters.orderedStream().collect(Collectors.toList()));
    }

　　就可以成功启动了