pakchoily opened a new issue, #10736:
URL: https://github.com/apache/dubbo/issues/10736

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   - [X] I have searched the [issues](https://github.com/apache/dubbo/issues) 
of this repository and believe that this is not a duplicate.
   
   ## Ask your question here
   依赖版本如下:
   
                   <artifactId>spring-cloud-alibaba-dependencies</artifactId>
                   <version>2021.0.4.0</version>
   
                   <artifactId>spring-boot-starter-parent</artifactId>
                   <version>2.6.11</version>
   
                   <artifactId>spring-cloud-dependencies</artifactId>
                   <version>2021.0.4</version>
   
                   <artifactId>dubbo-bom</artifactId>
                   <version>3.1.1</version>
   
                   jdk使用17
   
   使用nacos作为注册中心,如果先启动消费者,等消费者完全启动,再启动服务提供者,会报如下错误,不知道有办法解决吗?
   
   ~~~java
   java.lang.NullPointerException: Cannot invoke 
"io.netty.channel.Channel.localAddress()" because "this.channel" is null
        at 
org.apache.dubbo.remoting.transport.netty4.NettyPortUnificationServer.getLocalAddress(NettyPortUnificationServer.java:221)
 ~[dubbo-3.1.1.jar:3.1.1]
        at 
org.apache.dubbo.remoting.transport.AbstractServer.<init>(AbstractServer.java:75)
 ~[dubbo-3.1.1.jar:3.1.1]
        at 
org.apache.dubbo.remoting.api.pu.AbstractPortUnificationServer.<init>(AbstractPortUnificationServer.java:46)
 ~[dubbo-3.1.1.jar:3.1.1]
   ~~~
   


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