--- a/jdk/src/macosx/classes/sun/lwawt/macosx/CWarningWindow.java	Wed Mar 19 16:13:59 2014 +0400
+++ b/jdk/src/macosx/classes/sun/lwawt/macosx/CWarningWindow.java	Wed Mar 19 18:27:31 2014 +0400
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2014, 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
@@ -39,6 +39,8 @@
 import java.awt.event.MouseEvent;
 import java.awt.geom.Point2D;
 import java.lang.ref.WeakReference;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
 import java.util.concurrent.Executors;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.ScheduledFuture;
@@ -321,6 +323,15 @@
         };
     }
 
+    @Override
+    public void dispose() {
+        AccessController.doPrivileged((PrivilegedAction<Void>) () -> {
+            scheduler.shutdown();
+            return null;
+        });
+        super.dispose();
+    }
+
     private void updateIconSize() {
         int newSize = -1;
 

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/awt/security/WarningWindowDisposeTest/WarningWindowDisposeTest.java	Wed Mar 19 18:27:31 2014 +0400
@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2014, 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.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+  @test
+  @bug 8037776
+  @summary tests that the WarningWindow is properly disposed
+  @author Petr Pchelko
+  @library ../../regtesthelpers/process
+  @build ProcessResults ProcessCommunicator
+  @run main WarningWindowDisposeTest
+*/
+
+import sun.applet.AppletSecurity;
+import sun.awt.SunToolkit;
+
+import java.awt.*;
+import java.awt.Toolkit;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import test.java.awt.regtesthelpers.process.ProcessCommunicator;
+import test.java.awt.regtesthelpers.process.ProcessResults;
+
+public class WarningWindowDisposeTest {
+
+    public static void main(String[] args) {
+        final AtomicBoolean passed = new AtomicBoolean(false);
+        new Thread(() -> {
+            try {
+                Thread.sleep(5000);
+            } catch (InterruptedException e) {
+                throw new RuntimeException("Test FAILED!", e);
+            }
+            if (!passed.get()) {
+                throw new RuntimeException("Test FAILED! The child process never exits");
+            }
+        }, "TimeoutThread").start();
+
+        String classpath = System.getProperty("java.class.path");
+        ProcessResults pres = ProcessCommunicator.executeChildProcess(TestApplication.class, classpath, new String[0]);
+        passed.set(true);
+        if (pres.getStdErr() != null && pres.getStdErr().length() > 0) {
+            System.err.println("========= Child VM System.err ========");
+            System.err.print(pres.getStdErr());
+            System.err.println("======================================");
+        }
+
+        if (pres.getStdOut() != null && pres.getStdOut().length() > 0) {
+            System.err.println("========= Child VM System.out ========");
+            System.err.print(pres.getStdOut());
+            System.err.println("======================================");
+        }
+    }
+
+    public static class TestApplication {
+        public static void main(String[] args) throws Exception {
+            System.setSecurityManager(new AppletSecurity() {
+                @Override
+                public void checkPackageAccess (String s){
+                }
+            });
+            Frame f = new Frame("Test frame");
+            f.setVisible(true);
+            ((SunToolkit) Toolkit.getDefaultToolkit()).realSync();
+            Thread.sleep(500);
+            f.setVisible(false);
+            f.dispose();
+        }
+    }
+}