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src/java.desktop/share/classes/java/awt/Toolkit.java

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@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 1995, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1995, 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
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this

@@ -502,14 +502,18 @@
      * loaded is determined by the order in which the ServiceLoader discovers
      * implementations of the AccessibilityProvider interface, not by the order
      * of provider names in the property list.  When a provider is found its
      * accessibility implementation will be started by calling the provider's
      * activate method.  All errors are handled via an AWTError exception.
+     *
+     * Additionally, if the provided assistive technology providers list is empty
+     * then none of the assistive technology providers will be loaded and
+     * will return without error.
      */
     private static void loadAssistiveTechnologies() {
         // Load any assistive technologies
-        if (atNames != null) {
+        if (atNames != null && !atNames.isEmpty()) {
             ClassLoader cl = ClassLoader.getSystemClassLoader();
             Set<String> names = Arrays.stream(atNames.split(","))
                                       .map(String::trim)
                                       .collect(Collectors.toSet());
             final Map<String, AccessibilityProvider> providers = new HashMap<>();
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