Da-Hong commented on issue #1322:
URL: https://github.com/apache/dubbo-go/issues/1322#issuecomment-882202227
What I fix, but not perfect.
```go
// DataChange changes all listeners' event
func (l *CacheListener) DataChange(event remoting.Event) bool {
if event.Content == "" {
//meanings new node
return true
}
key := l.pathToKey(event.Path)
if key != "" {
count := 1
for {
if listeners, ok := l.keyListeners.Load(key); ok {
for listener := range
listeners.(map[config_center.ConfigurationListener]struct{}) {
listener.Process(&config_center.ConfigChangeEvent{Key: key, Value:
event.Content, ConfigType: event.Action})
}
return true
}
if count > 3 {
break
}
time.Sleep(time.Second * 1)
count = count + 1
}
}
return false
}
```
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