--- old/src/hotspot/os/windows/attachListener_windows.cpp	2019-07-11 08:48:52.046152683 +0900
+++ new/src/hotspot/os/windows/attachListener_windows.cpp	2019-07-11 08:48:51.958152587 +0900
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2019, 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
@@ -383,6 +383,12 @@
   return Win32AttachListener::init();
 }
 
+// This function is used for Un*x OSes only.
+// We need not to implement it for Windows.
+bool AttachListener::check_socket_file() {
+  return false;
+}
+
 bool AttachListener::init_at_startup() {
   return true;
 }