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Posted to notifications@dubbo.apache.org by "linjianming02 (via GitHub)" <gi...@apache.org> on 2023/03/06 07:21:41 UTC

[GitHub] [dubbo] linjianming02 commented on issue #11713: 当provider从3.1.7降级到2.7.9的时候3.1.7的consumer出现持续性报错

linjianming02 commented on issue #11713:
URL: https://github.com/apache/dubbo/issues/11713#issuecomment-1455582468

   > 这个是由于 3.x 中默认接口级应用级多注册多订阅,在两端都升级到 3.x 以后自动切换到应用级服务发现的模型。 但是由于 3.x 的 provider 降级了,之前 Nacos 注册中心因为 Nacos 自身的高可用存在问题可能导致运行时推送空地址,在 Dubbo 侧做了推空保护,这样的话导致降级以后应用级服务发现模型下的地址永远不会为空,出现日志中的问题。 在 3.2 中已经默认关闭了推空保护,3.1 可以通过在注册中心参数上配置 `enable-empty-protection=false` 来关闭推空保护。
   
   ZK作为注册中心也可以通过这个参数来解决的是吧


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