From 935ca1a50ffc22231fa7a7c8d789b6e13e910878 Mon Sep 17 00:00:00 2001
From: Nikita Koksharov <nkoksharov@redisson.pro>
Date: Wed, 31 Jan 2024 14:28:47 +0300
Subject: [PATCH] Fixed - Repeated new connections with AWS Elasticache
 serverless #5589

---
 .../java/org/redisson/cluster/ClusterConnectionManager.java | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/redisson/src/main/java/org/redisson/cluster/ClusterConnectionManager.java b/redisson/src/main/java/org/redisson/cluster/ClusterConnectionManager.java
index 3e0880837..1d7833b85 100644
--- a/redisson/src/main/java/org/redisson/cluster/ClusterConnectionManager.java
+++ b/redisson/src/main/java/org/redisson/cluster/ClusterConnectionManager.java
@@ -846,11 +846,13 @@ public class ClusterConnectionManager extends MasterSlaveConnectionManager {
 
             CompletableFuture<List<RedisURI>> ipsFuture = serviceManager.resolveAll(clusterNodeInfo.getAddress());
             CompletableFuture<Void> f = ipsFuture.thenAccept(addresses -> {
+                int index = 0;
                 if (addresses.size() > 1) {
                     addresses.sort(Comparator.comparing(RedisURI::getHost));
-                    Collections.shuffle(addresses, new Random(serviceManager.getId().hashCode()));
+                    Random r = new Random(serviceManager.getId().hashCode());
+                    index = r.nextInt(addresses.size());
                 }
-                RedisURI address = addresses.get(0);
+                RedisURI address = addresses.get(index);
 
                 if (clusterNodeInfo.containsFlag(Flag.SLAVE)) {
                     ClusterPartition masterPartition = partitions.computeIfAbsent(masterId, k -> new ClusterPartition(masterId));