Fixed RFuture.getNow shouldn't throw exceptions. #932

redisson/src/main/java/org/redisson/misc/RedissonPromise.java

@@ -213,6 +213,9 @@ public class RedissonPromise<T> extends CompletableFuture<T> implements RPromise
 
     @Override
     public T getNow() {
+        if (isCompletedExceptionally()) {
+            return null;
+        }
         return getNow(null);
     }