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Posted to notifications@dubbo.apache.org by GitBox <gi...@apache.org> on 2021/09/17 10:52:04 UTC

[GitHub] [dubbo] zjutbang opened a new issue #8839: dubbo使用nacos做多注册中心，重启服务会导致provider被覆盖

zjutbang opened a new issue #8839:
URL: https://github.com/apache/dubbo/issues/8839


   ### Environment
   
   * Dubbo version: 2.7.12
   * Java version: 1.8
   
   ### Steps to reproduce this issue
   
   1. 配置多个nacos注册中心
   2. 启动provider和consumer服务
   3. 重启某个注册中心的provider服务，会导致另一个注册中心的provider也变成这个重启的provider
   
   ### 源码解读发现逻辑问题
   1. com.alibaba.nacos.client.naming.core.HostReactor#processServiceJson里会发布InstancesChangeEvent，这个事件会通知所有naocs注册中心的服务。
   2. 会触发这个方法org.apache.dubbo.registry.nacos.NacosRegistry#subscribeEventListener里定义的eventListener。
   3. 之后org.apache.dubbo.registry.integration.RegistryDirectory#refreshOverrideAndInvoker 会更新routerChain.setInvokers(newInvokers)。
   4. 这里的newInvokers代表重启后的服务provider
   5. 最后的结果就导致不同nacos注册中心的对应的RegistryDirectory对象，invokers都被更新成了一个


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[GitHub] [dubbo] CrazyHZM commented on issue #8839: dubbo使用nacos做多注册中心，重启服务会导致provider被覆盖

Posted by GitBox <gi...@apache.org>.
CrazyHZM commented on issue #8839:
URL: https://github.com/apache/dubbo/issues/8839#issuecomment-922121201


   repeat：https://github.com/apache/dubbo/issues/8838


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[GitHub] [dubbo] CrazyHZM closed issue #8839: dubbo使用nacos做多注册中心，重启服务会导致provider被覆盖

Posted by GitBox <gi...@apache.org>.
CrazyHZM closed issue #8839:
URL: https://github.com/apache/dubbo/issues/8839


   


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