[D] dubbo provider 2.7.4.1版本与consumer 3.3.5版本不互通问题 [dubbo]

["ZShUn (via GitHub)" <gi...@apache.org>]

GitHub user ZShUn created a discussion: dubbo provider 2.7.4.1版本与consumer 3.3.5版本不互通问题

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### Apache Dubbo Component

Java SDK (apache/dubbo)

### Details

目前我在做项目升级dubbo工作，但是发现如果消费者dubbo版本是3.3.5版本，提供者是2.7.4.1版本调用时会报 No provider available for the service，请问是协议不兼容吗？怎么解决

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GitHub link: https://github.com/apache/dubbo/discussions/16188

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Re: [D] dubbo provider 2.7.4.1版本与consumer 3.3.5版本不互通问题 [dubbo]

["xujun1212 (via GitHub)" <gi...@apache.org>]

GitHub user xujun1212 added a comment to the discussion: dubbo provider 2.7.4.1版本与consumer 3.3.5版本不互通问题

检查一下2.7.4.1版本提供者的dubbo配置，若是使用  registry:address: spring-cloud://localhost，可能会导致这个问题，都采用nacos://${nacos.server.address}的形式去配置。还有就是注意的是namespace必须一致，最好在消费者和提供者都配置一下

GitHub link: https://github.com/apache/dubbo/discussions/16188#discussioncomment-16539742

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