I think the whole can be replace by in line no 133 with below code `ConcurrentMap<NotifyListener, ChildListener> listeners = zkListeners.computeIfAbsent(url,k-> new ConcurrentHashMap<>());`
what do you say? [ Full content available at: https://github.com/apache/incubator-dubbo/pull/3102 ] This message was relayed via gitbox.apache.org for [email protected]
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