From 13e82ad3cfb7db7a01c57a8f99c383a2e53ce4ee Mon Sep 17 00:00:00 2001
From: Nikita Koksharov <nkoksharov@redisson.pro>
Date: Mon, 7 Jun 2021 08:50:36 +0300
Subject: [PATCH] Fixed - RedisSentinel.getMaster() method throws NPE #3643

---
 .../main/java/org/redisson/redisnode/SentinelRedisNode.java   | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/redisson/src/main/java/org/redisson/redisnode/SentinelRedisNode.java b/redisson/src/main/java/org/redisson/redisnode/SentinelRedisNode.java
index d13f760ef..81452e102 100644
--- a/redisson/src/main/java/org/redisson/redisnode/SentinelRedisNode.java
+++ b/redisson/src/main/java/org/redisson/redisnode/SentinelRedisNode.java
@@ -250,12 +250,12 @@ public class SentinelRedisNode implements RedisSentinel, RedisSentinelAsync {
 
     @Override
     public RFuture<Map<String, String>> getMasterAsync(String masterName) {
-        return executeAsync(null, null, -1, RedisCommands.SENTINEL_MASTER, masterName);
+        return executeAsync(null, StringCodec.INSTANCE, -1, RedisCommands.SENTINEL_MASTER, masterName);
     }
 
     @Override
     public RFuture<Void> failoverAsync(String masterName) {
-        return executeAsync(null, null, -1, RedisCommands.SENTINEL_FAILOVER, masterName);
+        return executeAsync(null, StringCodec.INSTANCE, -1, RedisCommands.SENTINEL_FAILOVER, masterName);
     }
 
     @Override