From 5f19403ded8901fb66936b3f1b55aa73f0885c27 Mon Sep 17 00:00:00 2001
From: Nikita <abracham.mitchell@gmail.com>
Date: Fri, 9 Dec 2016 11:00:12 +0300
Subject: [PATCH] CommandDecoder NPE fixed. #726

---
 .../main/java/org/redisson/client/handler/CommandDecoder.java  | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/redisson/src/main/java/org/redisson/client/handler/CommandDecoder.java b/redisson/src/main/java/org/redisson/client/handler/CommandDecoder.java
index f23ce04e2..b7097e77e 100644
--- a/redisson/src/main/java/org/redisson/client/handler/CommandDecoder.java
+++ b/redisson/src/main/java/org/redisson/client/handler/CommandDecoder.java
@@ -389,6 +389,9 @@ public class CommandDecoder extends ReplayingDecoder<State> {
 
     private MultiDecoder<Object> messageDecoder(CommandData<Object, Object> data, List<Object> parts, Channel channel) {
         if (data == null) {
+            if (parts.isEmpty()) {
+                return null;
+            }
             String command = parts.get(0).toString();
             if (Arrays.asList("subscribe", "psubscribe", "punsubscribe", "unsubscribe").contains(command)) {
                 String channelName = parts.get(1).toString();