From 8de06075fbc328011b7b399312dfbe2bde0c2374 Mon Sep 17 00:00:00 2001
From: Nikita Koksharov <nkoksharov@redisson.pro>
Date: Mon, 29 Nov 2021 11:29:17 +0300
Subject: [PATCH] Fixed - Can't find host in slaves! error after failover with
 a new IP of master host. #3983

---
 .../org/redisson/connection/MasterSlaveEntry.java     | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/redisson/src/main/java/org/redisson/connection/MasterSlaveEntry.java b/redisson/src/main/java/org/redisson/connection/MasterSlaveEntry.java
index 446e03d84..12adf5a30 100644
--- a/redisson/src/main/java/org/redisson/connection/MasterSlaveEntry.java
+++ b/redisson/src/main/java/org/redisson/connection/MasterSlaveEntry.java
@@ -135,8 +135,17 @@ public class MasterSlaveEntry {
             if (config.getSubscriptionMode() == SubscriptionMode.MASTER) {
                 counter++;
             }
-            
+            if (!slaveBalancer.contains(client.getAddr())) {
+                counter++;
+            }
+
             CountableListener<RedisClient> listener = new CountableListener<>(result, client, counter);
+
+            if (!slaveBalancer.contains(client.getAddr())) {
+                RFuture<Void> masterAsSlaveFuture = addSlave(client.getAddr(), client.getConfig().getAddress(), false, NodeType.MASTER);
+                masterAsSlaveFuture.onComplete(listener);
+            }
+
             RFuture<Void> writeFuture = writeConnectionPool.add(masterEntry);
             writeFuture.onComplete(listener);