zrlw commented on code in PR #15873:
URL: https://github.com/apache/dubbo/pull/15873#discussion_r2633219571
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dubbo-registry/dubbo-registry-api/src/main/java/org/apache/dubbo/registry/support/AbstractRegistry.java:
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@@ -456,6 +463,24 @@ public void subscribe(URL url, NotifyListener listener) {
Set<NotifyListener> listeners =
ConcurrentHashMapUtils.computeIfAbsent(subscribed, url, n ->
new ConcurrentHashSet<>());
listeners.add(listener);
+ if (localCacheEnabled) {
+ try {
+ List<URL> cached = getCacheUrls(url);
+ if (CollectionUtils.isNotEmpty(cached)) {
+ listener.notify(cached);
+ logger.info("Registry unavailable or not yet ready. Loaded
cached URLs for " + url.getServiceKey()
Review Comment:
why ```not-empty cached urls``` means ```Registry unavailable or not yet
ready``` ?
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