Fixed - releaseConnection may not execute correctly

Signed-off-by: seakider <seakider@gmail.com>

redisson/src/main/java/org/redisson/command/RedisQueuedBatchExecutor.java

@@ -100,8 +100,11 @@ public class RedisQueuedBatchExecutor<V, R> extends BaseRedisBatchExecutor<V, R>
                 || RedisCommands.DISCARD.getName().equals(command.getName())) {
             if (attempt < attempts
                     && attemptPromise.isCompletedExceptionally()) {
+                Throwable cause = cause(attemptPromise);
+                if (cause instanceof CancellationException) {
                     return;
                 }
+            }
 
             super.releaseConnection(attemptPromise, connectionFuture);
         }