-[Etcd metadata service discovery](https://github.com/apache/dubbo-go/blob/9a5990d9a9c3d5e6633c0d7d926c156416bcb931/registry/etcdv3/service_discovery.go)
// errMsg := fmt.Sprintf("Failed to check the status of the service %v . No provider available for the service to the consumer use dubbo version %v", refconfig.InterfaceName, constant.Version)
// logger.Error(errMsg)
// panic(errMsg)
errMsg:=fmt.Sprintf("Failed to check the status of the service %v . No provider available for the service to the consumer use dubbo version %v",refconfig.InterfaceName,constant.Version)