diff --git a/src/main/java/org/redisson/CommandExecutorService.java b/src/main/java/org/redisson/CommandExecutorService.java
index dbd783840..fb448e92c 100644
--- a/src/main/java/org/redisson/CommandExecutorService.java
+++ b/src/main/java/org/redisson/CommandExecutorService.java
@@ -26,7 +26,6 @@ import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.concurrent.atomic.AtomicReference;
 
-import org.redisson.CommandBatchExecutorService.CommandEntry;
 import org.redisson.client.RedisAskException;
 import org.redisson.client.RedisClient;
 import org.redisson.client.RedisConnection;
diff --git a/src/main/java/org/redisson/connection/BaseLoadBalancer.java b/src/main/java/org/redisson/connection/BaseLoadBalancer.java
index 9963842c9..0ba8c5782 100644
--- a/src/main/java/org/redisson/connection/BaseLoadBalancer.java
+++ b/src/main/java/org/redisson/connection/BaseLoadBalancer.java
@@ -127,7 +127,7 @@ abstract class BaseLoadBalancer implements LoadBalancer {
         if (entry != null) {
             return entries.get(entry);
         }
-        RedisConnectionException exception = new RedisConnectionException("Can't find entry for " + client);
+        RedisConnectionException exception = new RedisConnectionException("Can't find entry for " + client.getAddr());
         return connectionManager.getGroup().next().newFailedFuture(exception);
     }
 
diff --git a/src/main/java/org/redisson/connection/SentinelConnectionManager.java b/src/main/java/org/redisson/connection/SentinelConnectionManager.java
index 74dddf378..209bf6397 100755
--- a/src/main/java/org/redisson/connection/SentinelConnectionManager.java
+++ b/src/main/java/org/redisson/connection/SentinelConnectionManager.java
@@ -102,7 +102,7 @@ public class SentinelConnectionManager extends MasterSlaveConnectionManager {
                 }
                 break;
             } catch (RedisConnectionException e) {
-                // skip
+                log.warn("can't connect to sentinel", e);
             } finally {
                 client.shutdownAsync();
             }
diff --git a/src/main/java/org/redisson/misc/ConnectionPool.java b/src/main/java/org/redisson/misc/ConnectionPool.java
index 568e0c283..03ff74392 100644
--- a/src/main/java/org/redisson/misc/ConnectionPool.java
+++ b/src/main/java/org/redisson/misc/ConnectionPool.java
@@ -85,7 +85,7 @@ public class ConnectionPool<T extends RedisConnection> {
             return promise;
         }
 
-        RedisConnectionException exception = new RedisConnectionException("Can't aquire connection for " + entry.getClient());
+        RedisConnectionException exception = new RedisConnectionException("Can't aquire connection to " + entry.getClient().getAddr());
         return executor.newFailedFuture(exception);
     }