When the service source type is nacos3, if mcpserver is turned off, then the discovery mechanism of nacos2 will be enabled (#2150)

registry/nacos/mcpserver/watcher.go

@@ -111,9 +111,10 @@ func NewWatcher(cache memory.Cache, opts ...WatcherOption) (provider.Watcher, er
 		opt(w)
 	}
 
-	if w.NacosNamespace == "" {
-		w.NacosNamespace = w.NacosNamespaceId
-	}
+	// The nacos mcp server uses these restricted namespaces and groups, and may be adjusted in the future.
+	w.NacosNamespace = "nacos-default-mcp"
+	w.NacosNamespaceId = w.NacosNamespace
+	w.NacosGroups = []string{"mcp-server"}
 
 	mcpServerLog.Infof("new nacos mcp server watcher with config Name:%s", w.Name)
 
@@ -177,32 +178,6 @@ func WithNacosSecretKey(nacosSecretKey string) WatcherOption {
 	}
 }
 
-func WithNacosNamespaceId(nacosNamespaceId string) WatcherOption {
-	return func(w *watcher) {
-		if nacosNamespaceId == "" {
-			w.NacosNamespaceId = "nacos-default-mcp"
-		} else {
-			w.NacosNamespaceId = nacosNamespaceId
-		}
-	}
-}
-
-func WithNacosNamespace(nacosNamespace string) WatcherOption {
-	return func(w *watcher) {
-		w.NacosNamespace = nacosNamespace
-	}
-}
-
-func WithNacosGroups(nacosGroups []string) WatcherOption {
-	return func(w *watcher) {
-		if len(nacosGroups) == 0 {
-			w.NacosGroups = []string{"mcp-server"}
-		} else {
-			w.NacosGroups = nacosGroups
-		}
-	}
-}
-
 func WithNacosRefreshInterval(refreshInterval int64) WatcherOption {
 	return func(w *watcher) {
 		if refreshInterval < int64(DefaultRefreshIntervalLimit) {
@@ -967,7 +942,8 @@ func (w *watcher) Stop() {
 	}
 	mcpServerLog.Infof("stop all service nameing client")
 	for _, client := range w.serviceCache {
-		client.Stop()
+		// TODO: This is a temporary implementation because of a bug in the nacos-go-sdk, which causes a block when stoping.
+		go client.Stop()
 	}
 
 	w.isStop = true