8270269: Desktop.browse method fails if earlier CoInitialize call as COINIT_MULTITHREADED

src/java.desktop/windows/classes/sun/awt/windows/WDesktopPeer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2023, 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
@@ -40,6 +40,8 @@
 
 import javax.swing.event.EventListenerList;
 
+import sun.awt.shell.ShellFolder;
+
 /**
  * Concrete implementation of the interface {@code DesktopPeer} for
  * the Windows platform.
@@ -102,18 +104,20 @@ public void browse(URI uri) throws IOException {
     }
 
     private void ShellExecute(File file, String verb) throws IOException {
-        String errMsg = ShellExecute(file.getAbsolutePath(), verb);
+        String errMsg = ShellFolder.invoke(
+                () -> ShellExecute(file.getAbsolutePath(), verb));
         if (errMsg != null) {
-            throw new IOException("Failed to " + verb + " " + file + ". Error message: " + errMsg);
+            throw new IOException("Failed to " + verb + " " + file +
+                                  ". Error message: " + errMsg);
         }
     }
 
     private void ShellExecute(URI uri, String verb) throws IOException {
-        String errmsg = ShellExecute(uri.toString(), verb);
-
+        String errmsg = ShellFolder.invoke(
+                () -> ShellExecute(uri.toString(), verb));
         if (errmsg != null) {
-            throw new IOException("Failed to " + verb + " " + uri
-                    + ". Error message: " + errmsg);
+            throw new IOException("Failed to " + verb + " " + uri +
+                                  ". Error message: " + errmsg);
         }
     }
 

src/java.desktop/windows/native/libawt/windows/awt_Desktop.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2022, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2023, 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
@@ -85,24 +85,14 @@ JNIEXPORT jstring JNICALL Java_sun_awt_windows_WDesktopPeer_ShellExecute
 
     // 6457572: ShellExecute possibly changes FPU control word - saving it here
     unsigned oldcontrol87 = _control87(0, 0);
-    HRESULT hr = ::CoInitializeEx(NULL, COINIT_APARTMENTTHREADED |
-                                        COINIT_DISABLE_OLE1DDE);
-    HINSTANCE retval;
-    DWORD error;
-    if (SUCCEEDED(hr)) {
-        retval = ::ShellExecute(NULL, verb_c, fileOrUri_c, NULL, NULL,
-                                SW_SHOWNORMAL);
-        error = ::GetLastError();
-        ::CoUninitialize();
-    }
+    HINSTANCE retval = ::ShellExecute(NULL, verb_c, fileOrUri_c, NULL, NULL,
+                                      SW_SHOWNORMAL);
+    DWORD error = ::GetLastError();
     _control87(oldcontrol87, 0xffffffff);
 
     JNU_ReleaseStringPlatformChars(env, fileOrUri_j, fileOrUri_c);
     JNU_ReleaseStringPlatformChars(env, verb_j, verb_c);
 
-    if (FAILED(hr)) {
-        return JNU_NewStringPlatform(env, L"CoInitializeEx() failed.");
-    }
     if ((int)((intptr_t)retval) <= 32) {
         // ShellExecute failed.
         LPTSTR buffer = NULL;