refactoring

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);
 
 }

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) {