[GitHub] [dubbo] zrlw opened a new issue #9014: 注册管理getRegistries获取的Registry有重复

Sun, 10 Oct 2021 18:56:51 -0700 


zrlw opened a new issue #9014:
URL: https://github.com/apache/dubbo/issues/9014


   ### Environment
   
   * Dubbo version: 3.0 / master
   
3.0的RegistryManager以及master的AbstractRegistryFactory的getRegistries获取的Registry有重复，因为registries里面有的key不同但registry相同，比如这样：
   ```
   zookeeper://127.0.0.1:38936/org.apache.dubbo.registry.RegistryService=
   
zookeeper://127.0.0.1:38936/org.apache.dubbo.registry.RegistryService?application=provider-app&dubbo=2.0.2&environment=product&file.cache=false&interface=org.apache.dubbo.registry.RegistryService&pid=11272,
 
service-discovery-registry://127.0.0.1:38936/org.apache.dubbo.registry.RegistryService=
   
zookeeper://127.0.0.1:38936/org.apache.dubbo.registry.RegistryService?application=provider-app&dubbo=2.0.2&environment=product&file.cache=false&interface=org.apache.dubbo.registry.RegistryService&pid=11272
   ```
   重复的后果就是重复注册、解注册、destroy，然后抛异常，比如这样：
   ```
   [11/10/21 09:42:05:873 CST] main ERROR zookeeper.ZookeeperRegistry:  [DUBBO] 
Failed to unregister 
dubbo://192.168.1.23/org.apache.dubbo.config.api.DemoService?application=consumer-app&background=false&category=consumers&check=false&dubbo=2.0.2&environment=product&file.cache=false&injvm=false&interface=org.apache.dubbo.config.api.DemoService&metadata-type=remote&methods=callInnerClass,sayName,getUsers,echo,getBox,throwDemoException&pid=10228&release=&revision=2.0&side=consumer&sticky=false&timestamp=1633916525391&version=2.0,
 waiting for retry, cause: Failed to unregister 
dubbo://192.168.1.23/org.apache.dubbo.config.api.DemoService?application=consumer-app&background=false&category=consumers&check=false&dubbo=2.0.2&environment=product&file.cache=false&injvm=false&interface=org.apache.dubbo.config.api.DemoService&metadata-type=remote&methods=callInnerClass,sayName,getUsers,echo,getBox,throwDemoException&pid=10228&release=&revision=2.0&side=consumer&sticky=false&timestamp=16339165253
 91&version=2.0 to zookeeper 
zookeeper://127.0.0.1:36010/org.apache.dubbo.registry.RegistryService?application=consumer-app&dubbo=2.0.2&environment=product&file.cache=false&interface=org.apache.dubbo.registry.RegistryService&pid=10228,
 cause: Expected state [STARTED] was [STOPPED], dubbo version: , current host: 
192.168.1.23
   org.apache.dubbo.rpc.RpcException: Failed to unregister 
dubbo://192.168.1.23/org.apache.dubbo.config.api.DemoService?application=consumer-app&background=false&category=consumers&check=false&dubbo=2.0.2&environment=product&file.cache=false&injvm=false&interface=org.apache.dubbo.config.api.DemoService&metadata-type=remote&methods=callInnerClass,sayName,getUsers,echo,getBox,throwDemoException&pid=10228&release=&revision=2.0&side=consumer&sticky=false&timestamp=1633916525391&version=2.0
 to zookeeper 
zookeeper://127.0.0.1:36010/org.apache.dubbo.registry.RegistryService?application=consumer-app&dubbo=2.0.2&environment=product&file.cache=false&interface=org.apache.dubbo.registry.RegistryService&pid=10228,
 cause: Expected state [STARTED] was [STOPPED]
        at 
org.apache.dubbo.registry.zookeeper.ZookeeperRegistry.doUnregister(ZookeeperRegistry.java:136)
        at 
org.apache.dubbo.registry.support.FailbackRegistry.unregister(FailbackRegistry.java:254)
        at 
org.apache.dubbo.registry.support.AbstractRegistry.destroy(AbstractRegistry.java:488)
        at 
org.apache.dubbo.registry.support.FailbackRegistry.destroy(FailbackRegistry.java:408)
        at 
org.apache.dubbo.registry.zookeeper.ZookeeperRegistry.destroy(ZookeeperRegistry.java:114)
        at 
org.apache.dubbo.registry.support.RegistryManager.destroyAll(RegistryManager.java:105)
   ```


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