xiaoheng1 commented on issue #8399:
URL: https://github.com/apache/dubbo/issues/8399#issuecomment-894079274
> **Dubbo client :**
>
> ```
> public static GenericService getDubboService(String address, String
protocol, String service, String version) {
> ReferenceConfig<GenericService> config = getReference(address,
protocol, service, version);
> return ReferenceConfigCache.getCache().get(config);
> }
> ```
>
> **Based on debug result：**
> **ReferenceConfigCache.getCache().get(config )** will call construction
method of **CuratorZookeeperClient** as bellow
> `boolean connected = client.blockUntilConnected(timeout,
TimeUnit.MILLISECONDS); `
> **connected** will always return false and then **Zookeeper is no
connected** Exception will be throw
Tested on my local machine and found that connected = false was not found.
system:
macos
jdk1.8
dubbo2.7.6
zk:3.6.2
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