From 3d3d24b2191a14e25b90ba4ae5cd3459ffd008cf Mon Sep 17 00:00:00 2001
From: Nikita Koksharov <nkoksharov@redisson.pro>
Date: Mon, 17 Dec 2018 13:27:23 +0300
Subject: [PATCH] refactoring

---
 .../redisson/connection/AddressResolverGroupFactory.java    | 6 ++++--
 .../org/redisson/connection/SentinelConnectionManager.java  | 2 +-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/redisson/src/main/java/org/redisson/connection/AddressResolverGroupFactory.java b/redisson/src/main/java/org/redisson/connection/AddressResolverGroupFactory.java
index 03af4c089..f2ab425ea 100644
--- a/redisson/src/main/java/org/redisson/connection/AddressResolverGroupFactory.java
+++ b/redisson/src/main/java/org/redisson/connection/AddressResolverGroupFactory.java
@@ -15,8 +15,10 @@
  */
 package org.redisson.connection;
 
+import java.net.InetSocketAddress;
+
 import io.netty.channel.socket.DatagramChannel;
-import io.netty.resolver.dns.DnsAddressResolverGroup;
+import io.netty.resolver.AddressResolverGroup;
 import io.netty.resolver.dns.DnsServerAddressStreamProvider;
 
 /**
@@ -24,6 +26,6 @@ import io.netty.resolver.dns.DnsServerAddressStreamProvider;
  */
 public interface AddressResolverGroupFactory {
 
-    DnsAddressResolverGroup create(Class<? extends DatagramChannel> channelType, DnsServerAddressStreamProvider nameServerProvider);
+    AddressResolverGroup<InetSocketAddress> create(Class<? extends DatagramChannel> channelType, DnsServerAddressStreamProvider nameServerProvider);
 
 }
diff --git a/redisson/src/main/java/org/redisson/connection/SentinelConnectionManager.java b/redisson/src/main/java/org/redisson/connection/SentinelConnectionManager.java
index 158d9576d..e404d6889 100755
--- a/redisson/src/main/java/org/redisson/connection/SentinelConnectionManager.java
+++ b/redisson/src/main/java/org/redisson/connection/SentinelConnectionManager.java
@@ -155,7 +155,7 @@ public class SentinelConnectionManager extends MasterSlaveConnectionManager {
 
         if (sentinels.isEmpty()) {
             stopThreads();
-            throw new RedisConnectionException("At least two sentinels should be defined in Redis configuration!");
+            throw new RedisConnectionException("At least two sentinels should be defined in Redis configuration! SENTINEL SENTINELS command returns empty result!");
         }
         
         if (currentMaster.get() == null) {