diff --git a/redisson/src/main/java/org/redisson/connection/pool/ConnectionPool.java b/redisson/src/main/java/org/redisson/connection/pool/ConnectionPool.java
index 6f550301050b1c28a2f23aef2aab0cd9d777dc64..fbef06c2c5ff9ebf51361b196eb95b4f80dad6d0 100644
--- a/redisson/src/main/java/org/redisson/connection/pool/ConnectionPool.java
+++ b/redisson/src/main/java/org/redisson/connection/pool/ConnectionPool.java
@@ -193,7 +193,7 @@ abstract class ConnectionPool<T extends RedisConnection> {
                 iterator.remove();
             }
         }
-        while (!entriesCopy.isEmpty()) {
+        if (!entriesCopy.isEmpty()) {
             ClientConnectionsEntry entry = config.getLoadBalancer().getEntry(entriesCopy);
             return acquireConnection(command, entry);
         }
diff --git a/redisson/src/main/java/org/redisson/transaction/BaseTransactionalMap.java b/redisson/src/main/java/org/redisson/transaction/BaseTransactionalMap.java
index d777fe28d212133a36c83cd55831c0e02698308a..69ab037c5e2f058c848adf81fd237528ee3492f2 100644
--- a/redisson/src/main/java/org/redisson/transaction/BaseTransactionalMap.java
+++ b/redisson/src/main/java/org/redisson/transaction/BaseTransactionalMap.java
@@ -177,9 +177,7 @@ public class BaseTransactionalMap<K, V> {
             }
             
             operations.add(operation);
-            for (HashValue key : state.keySet()) {
-                state.put(key, MapEntry.NULL);
-            }
+            state.replaceAll((k, v) -> MapEntry.NULL);
             deleted = true;
             result.trySuccess(res);
         });
diff --git a/redisson/src/main/java/org/redisson/transaction/BaseTransactionalSet.java b/redisson/src/main/java/org/redisson/transaction/BaseTransactionalSet.java
index 9fc985b96d41bab2c0abd14a09b78fede789f5ea..07ac1555670a7c0f7bdf1a6a78f8d7bd3ac986dd 100644
--- a/redisson/src/main/java/org/redisson/transaction/BaseTransactionalSet.java
+++ b/redisson/src/main/java/org/redisson/transaction/BaseTransactionalSet.java
@@ -147,9 +147,7 @@ public abstract class BaseTransactionalSet<V> extends BaseTransactionalObject {
             }
             
             operations.add(operation);
-            for (HashValue key : state.keySet()) {
-                state.put(key, NULL);
-            }
+            state.replaceAll((k, v) -> NULL);
             deleted = true;
             result.trySuccess(res);
         });