自定义WebMvcRegistrations无效
现象:问题出现在一个由spring-mvc老工程改造成spring boot项目中,在Application.java类中通过@ImportResource(“classpath:applicationContext-*.xml”)把xml的配置实例化,下面的自定义webmvc注入器无效
@Bean
public WebMvcRegistrations feignWebRegistrations() {
return new WebMvcRegistrations() {
@Override
public RequestMappingHandlerMapping getRequestMappingHandlerMapping() {
return new FeignRequestMappingHandlerMapping();
}
};
}
private static class FeignRequestMappingHandlerMapping extends RequestMappingHandlerMapping {
@Override
protected boolean isHandler(Class<?> beanType) {
return super.isHandler(beanType) &&
!AnnotatedElementUtils.hasAnnotation(beanType, FeignClient.class);
}
}
原因:resources目录下有一个applicationContext-mvc.xml文件,里面有<mvc:annotation-driven/>这个配置,网上查询这是一个神奇的标签
解决方案:删除applicationContext-mvc.xml文件或者去掉<mvc:annotation-driven/>注解