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1. Bug Description

SpringCloud+feign服务调用，参与方不回滚。例如：发起方A（注解使用的是@LcnTransaction，@transactional)
）通过feign调用参与方B（注解@LcnTransaction(propagation = DTXPropagation.SUPPORTS)
@transactional），B抛异常，A插入数据（不回滚）。
使用过的解决办法：
1，feign取消falback，不进行熔断，测试无效；
2，feign不取

Field registration in org.springframework.cloud.client.serviceregistry.ServiceRegistryAutoConfiguration$ServiceRegistryEndpointConfiguration required a single bean, but 2 were found:
- nacosRegistration: defined by method 'nacosRegistration' in class path resource [com/alibaba/cloud/nacos/NacosDiscoveryAutoConfiguration.class]
- eurekaRegistration: defined in BeanDefinition defined in class pa