8260401: StackOverflowError on open WindowsPreferences

Reviewed-by: bpb

src/java.prefs/windows/classes/java/util/prefs/WindowsPreferences.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2021, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -432,7 +432,7 @@ private WindowsPreferences(WindowsPreferences parent, String name) {
         if (result[ERROR_CODE] != ERROR_SUCCESS) {
             logger().warning("Could not create windows registry node " +
                     byteArrayToString(windowsAbsolutePath()) +
-                    " at root 0x" + Long.toHexString(rootNativeHandle()) +
+                    " at root 0x" + Long.toHexString(parentNativeHandle) +
                     ". Windows RegCreateKeyEx(...) returned error code " +
                     result[ERROR_CODE] + ".");
             isBackingStoreAvailable = false;
@@ -458,7 +458,7 @@ private  WindowsPreferences(long rootNativeHandle, byte[] rootDirectory) {
         if (result[ERROR_CODE] != ERROR_SUCCESS) {
             logger().warning("Could not open/create prefs root node " +
                     byteArrayToString(windowsAbsolutePath()) +
-                    " at root 0x" + Long.toHexString(rootNativeHandle()) +
+                    " at root 0x" + Long.toHexString(rootNativeHandle) +
                     ". Windows RegCreateKeyEx(...) returned error code " +
                     result[ERROR_CODE] + ".");
             isBackingStoreAvailable = false;