Infinity loop with iterator fixed. #515

src/main/java/org/redisson/RedissonBaseIterator.java

@@ -73,13 +73,19 @@ abstract class RedissonBaseIterator<V> implements Iterator<V> {
                     if (firstValues.isEmpty()) {
                         firstValues = lastValues;
                         lastValues = null;
-                        if (firstValues.isEmpty() && tryAgain()) {
+                        if (firstValues.isEmpty()) {
+                            if (tryAgain()) {
                                 client = null;
                                 firstValues = null;
                                 nextIterPos = 0;
                                 prevIterPos = -1;
                                 continue;
                             }
+                            if (res.getPos() == 0) {
+                                finished = true;
+                                return false;
+                            }
+                        }
                     } else if (lastValues.removeAll(firstValues)) {
                         currentElementRemoved = false;
                         removeExecuted = false;