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Posted to notifications@dubbo.apache.org by GitBox <gi...@apache.org> on 2022/12/20 06:43:07 UTC

[GitHub] [dubbo] robin977 opened a new issue, #11174: dubb2.6.12消费不到dubbo2.7.18的提供的服务

robin977 opened a new issue, #11174:
URL: https://github.com/apache/dubbo/issues/11174

   问题:
   新项目采用dubbo2.7.18,作为提供者,注册中心采用nacos2.0.3
   采用xml配置
       <dubbo:registry id="nacosregistry" protocol="${dubbo.registry.protocol:nacos}" address="${dubbo.registry.address}"   >
           <dubbo:parameter key="namespace" value="${dubbo.registry.namespace}" />
       </dubbo:registry>
   
       <dubbo:protocol name="dubbo" port="${dubbo.provider.port:20880}"   />
   
       <dubbo:provider timeout="10000" threadpool="fixed" threads="100" accepts="1000"  registry="nacosregistry" />
   
       <dubbo:service interface="com.aaa.xx.boot.api.service.IUserQueryService"
                       ref="boot.userQueryService" retries="0" version="2.0.0" registry="nacosregistry"  />
   
   注册时，服务名如下
   ![wecom-temp-af6f471c9355fe905a96199d60e847fd](https://user-images.githubusercontent.com/8486672/208600374-5b62197b-95f4-4e98-bf6a-62883148ed83.png)
   
   注册中心内容如下:
   ![wecom-temp-e39d0b268564f1134c08d57503f594c6](https://user-images.githubusercontent.com/8486672/208600342-ea407f42-5954-4438-91a0-39fb0068b30e.png)
   
   消费端采用dubbo2.6.12,注册中心为nacos2.0.3
   服务订阅时如下：服务名称没有":"
   ![wecom-temp-c48c092b93a1ace7711c6c3ec4317701](https://user-images.githubusercontent.com/8486672/208600235-9937d4f7-ad3b-4a1f-a99a-fc2f1754bf81.png)
   如果加上":"
   ![image](https://user-images.githubusercontent.com/8486672/208600486-f1b8b0fb-7941-4b6f-af9a-598183768a61.png)
   是可以获取实例的
   建议在做服务暴露时，不要添加":"
   ![image](https://user-images.githubusercontent.com/8486672/208600666-6513a105-f1f3-406b-a719-2c5adc367b7a.png)
   
   
   


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[GitHub] [dubbo] robin977 commented on issue #11174: dubb2.6.12消费不到dubbo2.7.18的提供的服务

Posted by GitBox <gi...@apache.org>.
robin977 commented on issue #11174:
URL: https://github.com/apache/dubbo/issues/11174#issuecomment-1367719820

   那基于dubbo2.6.12的服务，都是没有group的，大部分只有version属性，但是安全部门要求，必须要升级到dubbo2.7.18，处理掉漏洞


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[GitHub] [dubbo] AlbumenJ commented on issue #11174: dubb2.6.12消费不到dubbo2.7.18的提供的服务

Posted by GitBox <gi...@apache.org>.
AlbumenJ commented on issue #11174:
URL: https://github.com/apache/dubbo/issues/11174#issuecomment-1359447520

   由于 2.7.4 以前的 Nacos 注册存在设计缺陷，在 2.7.4 之前的版本在 version 或者 group 为 null 的时候，会忽略中间的 `:` 注册。导致可能出现多个服务在 nacos 上面的服务名一样的情况。在 2.7.4 以后强制所有 `:` 都会注册，监听的时候两个版本的都会监听以保持兼容。
   
   因此，2.7.4 及以后的客户端支持所有版本的 provider，2.7.4 及以后的服务端仅支持 2.7.4 以后的服务端。
   
   **注：如果 version 和 group 都不为 null 时，所有版本互通都无问题。**


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Re: [I] dubb2.6.12消费不到dubbo2.7.18的提供的服务 [dubbo]

Posted by "wxbty (via GitHub)" <gi...@apache.org>.
wxbty closed issue #11174: dubb2.6.12消费不到dubbo2.7.18的提供的服务
URL: https://github.com/apache/dubbo/issues/11174


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