From 0cf37d586ef7b3fb0554319bd57fd6f28b9d96b5 Mon Sep 17 00:00:00 2001
From: Nikita Koksharov <nkoksharov@redisson.pro>
Date: Tue, 11 Aug 2020 10:45:59 +0300
Subject: [PATCH] refactoring

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

diff --git a/redisson/src/main/java/org/redisson/cluster/ClusterConnectionManager.java b/redisson/src/main/java/org/redisson/cluster/ClusterConnectionManager.java
index 5e1ec4c1a..effc95cc8 100644
--- a/redisson/src/main/java/org/redisson/cluster/ClusterConnectionManager.java
+++ b/redisson/src/main/java/org/redisson/cluster/ClusterConnectionManager.java
@@ -121,6 +121,10 @@ public class ClusterConnectionManager extends MasterSlaveConnectionManager {
                         failedMasters.add(partition.getMasterAddress().toString());
                         continue;
                     }
+                    if (partition.getMasterAddress() == null) {
+                        throw new IllegalStateException("Master node: " + partition.getNodeId() + " doesn't have address.");
+                    }
+
                     RFuture<Void> masterFuture = addMasterEntry(partition, cfg);
                     masterFutures.add(masterFuture);
                 }