sinfon opened a new issue, #2044:
URL: https://github.com/apache/dubbo-go/issues/2044
定义两个 Nacos 注册中心配置 A 和 B，区别在于 A 的 registry-type 为 service
定义 reference 使用 A，而定义 service 使用 B
---
Dubbo 配置加载启动会按照 Consumer、Provider 的顺序
```
rc.Consumer.Load()
rc.Provider.Load()
```
Consumer 加载时，会按照 `registryUrl.Location` 缓存一个 ServiceDiscoveryRegistry，而在这之后
Provider 加载时，问题场景下，因为 `registryUrl.Location` 相同，会找到并使用这个
registry.Registry，导致实际想要得到的 NacosRegistry 无法加载
```
func (proto *registryProtocol) getRegistry(registryUrl *common.URL)
registry.Registry {
var err error
reg, loaded := proto.registries.Load(registryUrl.Location)
if !loaded {
reg, err = extension.GetRegistry(registryUrl.Protocol,
registryUrl)
if err != nil {
logger.Errorf("Registry can not connect success,
program is going to panic.Error message is %s", err.Error())
panic(err)
}
proto.registries.Store(registryUrl.Location, reg)
}
return reg.(registry.Registry)
}
```
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