zhaomin1423 commented on code in PR #43502:
URL: https://github.com/apache/spark/pull/43502#discussion_r1377681397


##########
common/kvstore/src/main/java/org/apache/spark/util/kvstore/LevelDBIterator.java:
##########
@@ -182,23 +189,21 @@ public boolean skip(long n) {
 
   @Override
   public synchronized void close() throws IOException {
-    db.notifyIteratorClosed(this);
     if (!closed) {
-      it.close();
-      closed = true;
-      next = null;
+      try {
+        cleanable.clean();

Review Comment:
   Thanks, sorry for late because I am busy recently, I will update it.



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