fix: LiveQueryServer crashes using cacheAdapter on disconnect from Redis 4 server (#9615)

src/middlewares.js

@@ -533,9 +533,14 @@ export const addRateLimit = (route, config, cloud) => {
     store: null,
   };
   if (route.redisUrl) {
+    const log = config?.loggerController || defaultLogger;
     const client = createClient({
       url: route.redisUrl,
     });
+    client.on('error', err => { log.error('Middlewares addRateLimit Redis client error', { error: err }) });
+    client.on('connect', () => {});
+    client.on('reconnecting', () => {});
+    client.on('ready', () => {});
     redisStore.connectionPromise = async () => {
       if (client.isOpen) {
         return;
@@ -543,7 +548,6 @@ export const addRateLimit = (route, config, cloud) => {
       try {
         await client.connect();
       } catch (e) {
-        const log = config?.loggerController || defaultLogger;
         log.error(`Could not connect to redisURL in rate limit: ${e}`);
       }
     };