[GitHub] [dubbo] liufeiyu1002 commented on issue #10795: spring boot dubbo 3.1.1 启动输出错误信息

Mon, 24 Oct 2022 02:57:50 -0700 


liufeiyu1002 commented on issue #10795:
URL: https://github.com/apache/dubbo/issues/10795#issuecomment-1288763352

   这个问题是由 我们指定了 protocol为  非 dubbo 协议 
   ```dubbo:
     application:
       name: dubbo-springboot-demo-provider
      #metadata-service-protocol: tri 指定metadata协议
     protocol:
       name: tri
     registry:
       id: zk-registry
       address: zookeeper://127.0.0.1:2181
     config-center:
       address: zookeeper://127.0.0.1:2181
     metadata-report:
       address: zookeeper://127.0.0.1:2181
   server:
     port: 8181
   ```
   且没有全局指定 `metadata-service-protocol` 配置，
   metadata 会默认使用 dubbo协议
   
![image](https://user-images.githubusercontent.com/32605119/197498626-20db2f5f-22d2-4013-80d5-d7b84759a7a2.png)
   在后续获取 protocol 配置中 ，并没有找到dubbo类型的协议
   
![image](https://user-images.githubusercontent.com/32605119/197498802-b0d247d8-a8ae-42a1-b4fa-5c4f4d455bbd.png)
   即调用 optional.get 会抛出 
   
![image](https://user-images.githubusercontent.com/32605119/197498978-fab1b59e-afb6-4333-b964-fc3a80127ee7.png)
   


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