zhouxufu

dubbo. registry.address:配置spring-cloud://localhost或者不配置启动会报错，但最终能注册成功

12

版本 ``` com.alibaba.cloud spring-cloud-alibaba-dependencies 2.2.0.RELEASE ``` > 会出现两次异常，通过debug发现是默认注册localhost:9090时候出错，但是最终注册成功，不影响服务的调用 第一次异常日志 java.net.ConnectException: Connection refused (Connection refused) at java.net.PlainSocketImpl.socketConnect(Native Method) ~[na:1.8.0_221] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_221] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_221] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_221] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_221]...