From a5502b6744bf86d3550b80548212a087bfe8fa20 Mon Sep 17 00:00:00 2001
From: Nikita Koksharov <nkoksharov@redisson.pro>
Date: Fri, 30 Sep 2022 09:23:18 +0300
Subject: [PATCH] Fixed - RedissonBaseLock throws NPE. #4555

---
 redisson/src/main/java/org/redisson/RedissonBaseLock.java | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/redisson/src/main/java/org/redisson/RedissonBaseLock.java b/redisson/src/main/java/org/redisson/RedissonBaseLock.java
index 3f23909a8c2..b767b03148c 100644
--- a/redisson/src/main/java/org/redisson/RedissonBaseLock.java
+++ b/redisson/src/main/java/org/redisson/RedissonBaseLock.java
@@ -207,7 +207,12 @@ protected void cancelExpirationRenewal(Long threadId) {
 
     protected <T> RFuture<T> evalWriteAsync(String key, Codec codec, RedisCommand<T> evalCommandType, String script, List<Object> keys, Object... params) {
         MasterSlaveEntry entry = commandExecutor.getConnectionManager().getEntry(getRawName());
-        int availableSlaves = entry.getAvailableSlaves();
+        int availableSlaves;
+        if (entry != null) {
+            availableSlaves = entry.getAvailableSlaves();
+        } else {
+            availableSlaves = 0;
+        }
 
         CommandBatchService executorService = createCommandBatchService(availableSlaves);
         RFuture<T> result = executorService.evalWriteAsync(key, codec, evalCommandType, script, keys, params);