how can i run local registy

i try to run ``SpringmvcProviderMain#main``  

but i got some error of   
```
2019-02-05 13:47:39,846 [INFO] Change service center address from 127.0.0.1:30100 to 127.0.0.1:30100 org.apache.servicecomb.serviceregistry.client.IpPortManager.getNextAvailableAddress(IpPortManager.java:100)

```  

how can i run this registry about ``127.0.0.1:30100``