--- a/src/share/classes/java/awt/EventQueue.java	Fri Jul 20 10:17:33 2012 -0700
+++ b/src/share/classes/java/awt/EventQueue.java	Fri Jul 20 23:53:10 2012 +0400
@@ -41,12 +41,11 @@
 import sun.util.logging.PlatformLogger;
 
 import sun.awt.AppContext;
-import sun.awt.AWTAccessor;
 import sun.awt.AWTAutoShutdown;
-import sun.awt.AWTInterruptedException;
 import sun.awt.PeerEvent;
 import sun.awt.SunToolkit;
 import sun.awt.EventQueueItem;
+import sun.awt.AWTAccessor;
 
 import java.util.concurrent.locks.Condition;
 import java.util.concurrent.locks.Lock;
@@ -1049,17 +1048,15 @@
         pushPopLock.lock();
         try {
             if (edt == dispatchThread) {
-                if (peekEvent() != null || !SunToolkit.isPostEventQueueEmpty()) {
-                    if (!forceDetach) {
-                        /*
-                         * Fix for 4648733. Check both the associated java event
-                         * queue and the PostEventQueue.
-                         */
-                        return false;
-                    } else {
-                        // 7162144 - derail pending events
-                        removeAllEvents();
-                    }
+                /*
+                 * Don't detach the thread if any events are pending. Not
+                 * sure if it's a possible scenario, though.
+                 *
+                 * Fix for 4648733. Check both the associated java event
+                 * queue and the PostEventQueue.
+                 */
+                if (!forceDetach && (peekEvent() != null) || !SunToolkit.isPostEventQueueEmpty()) {
+                    return false;
                 }
                 dispatchThread = null;
             }
@@ -1141,39 +1138,6 @@
         }
     }
 
-    private void removeAllEvents() {
-        SunToolkit.flushPendingEvents();
-        pushPopLock.lock();
-        try {
-            for (int i = 0; i < NUM_PRIORITIES; i++) {
-                EventQueueItem entry = queues[i].head;
-                EventQueueItem prev = null;
-                while (entry != null) {
-                    if (entry.event instanceof InvocationEvent) {
-                        AWTAccessor.getInvocationEventAccessor().
-                            dispose((InvocationEvent)entry.event);
-                    }
-                    if (entry.event instanceof SequencedEvent) {
-                        ((SequencedEvent)entry.event).dispose();
-                    }
-                    if (entry.event instanceof SentEvent) {
-                        ((SentEvent)entry.event).dispose();
-                    }
-                    if (prev == null) {
-                        queues[i].head = entry.next;
-                    } else {
-                        prev.next = entry.next;
-                    }
-                    uncacheEQItem(entry);
-                    entry = entry.next;
-                }
-                queues[i].tail = prev;
-            }
-        } finally {
-            pushPopLock.unlock();
-        }
-    }
-
     static void setCurrentEventAndMostRecentTime(AWTEvent e) {
         Toolkit.getEventQueue().setCurrentEventAndMostRecentTimeImpl(e);
     }
@@ -1281,11 +1245,7 @@
 
         Throwable eventThrowable = event.getThrowable();
         if (eventThrowable != null) {
-            if (eventThrowable instanceof AWTInterruptedException) {
-                throw new InterruptedException(eventThrowable.getMessage());
-            } else {
-                throw new InvocationTargetException(eventThrowable);
-            }
+            throw new InvocationTargetException(eventThrowable);
         }
     }
 

--- a/src/share/classes/java/awt/event/InvocationEvent.java	Fri Jul 20 10:17:33 2012 -0700
+++ b/src/share/classes/java/awt/event/InvocationEvent.java	Fri Jul 20 23:53:10 2012 +0400
@@ -28,9 +28,6 @@
 import java.awt.ActiveEvent;
 import java.awt.AWTEvent;
 
-import sun.awt.AWTAccessor;
-import sun.awt.AWTInterruptedException;
-
 /**
  * An event which executes the <code>run()</code> method on a <code>Runnable
  * </code> when dispatched by the AWT event dispatcher thread. This class can
@@ -130,16 +127,6 @@
      */
     private static final long serialVersionUID = 436056344909459450L;
 
-    static {
-        AWTAccessor.setInvocationEventAccessor(
-                new AWTAccessor.InvocationEventAccessor() {
-                    @Override
-                    public void dispose(InvocationEvent ie) {
-                        ie.dispose();
-                    }
-                });
-    }
-
     /**
      * Constructs an <code>InvocationEvent</code> with the specified
      * source which will execute the runnable's <code>run</code>
@@ -241,19 +228,6 @@
         this.when = System.currentTimeMillis();
     }
 
-    /*
-     * Marks the event as dispatched and notifies all interested parties.
-     */
-    private void setDispatched() {
-        dispatched = true;
-
-        if (notifier != null) {
-            synchronized (notifier) {
-                notifier.notifyAll();
-            }
-        }
-    }
-
     /**
      * Executes the Runnable's <code>run()</code> method and notifies the
      * notifier (if any) when <code>run()</code> has returned or thrown an exception.
@@ -277,16 +251,14 @@
                 runnable.run();
             }
         } finally {
-            setDispatched();
-        }
-    }
+            dispatched = true;
 
-    private void dispose() {
-        throwable = exception =
-            new AWTInterruptedException(
-                    "The event is discarded due to Event Thread interruption");
-
-        setDispatched();
+            if (notifier != null) {
+                synchronized (notifier) {
+                    notifier.notifyAll();
+                }
+            }
+        }
     }
 
     /**

--- a/src/share/classes/sun/awt/AWTAccessor.java	Fri Jul 20 10:17:33 2012 -0700
+++ b/src/share/classes/sun/awt/AWTAccessor.java	Fri Jul 20 23:53:10 2012 +0400
@@ -27,7 +27,7 @@
 
 import java.awt.*;
 import java.awt.KeyboardFocusManager;
-import java.awt.event.*;
+import java.awt.event.InputEvent;
 import java.awt.geom.Point2D;
 import java.awt.image.BufferedImage;
 
@@ -478,16 +478,6 @@
         boolean isMultipleMode(FileDialog fileDialog);
     }
 
-    /**
-     * An accessor for the InvocationEvent class
-     */
-    public interface InvocationEventAccessor {
-        /**
-         * Dispose an InvocationEvent (cancel it).
-         */
-        void dispose(InvocationEvent ie);
-    }
-
     /*
      * Accessor instances are initialized in the static initializers of
      * corresponding AWT classes by using setters defined below.
@@ -503,7 +493,6 @@
     private static EventQueueAccessor eventQueueAccessor;
     private static PopupMenuAccessor popupMenuAccessor;
     private static FileDialogAccessor fileDialogAccessor;
-    private static InvocationEventAccessor invocationEventAccessor;
 
     /*
      * Set an accessor object for the java.awt.Component class.
@@ -694,21 +683,4 @@
         return fileDialogAccessor;
     }
 
-    /**
-     * Set an accessor object for the java.awt.event.InvocationEvent class.
-     */
-    public static void setInvocationEventAccessor(InvocationEventAccessor iea) {
-        invocationEventAccessor = iea;
-    }
-
-    /**
-     * Retrieve the accessor object for the java.awt.event.InvocationEvent class.
-     */
-    public static InvocationEventAccessor getInvocationEventAccessor() {
-        if (invocationEventAccessor == null) {
-            unsafe.ensureClassInitialized(InvocationEvent.class);
-        }
-        return invocationEventAccessor;
-    }
-
 }

--- a/src/share/classes/sun/awt/AWTInterruptedException.java	Fri Jul 20 10:17:33 2012 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,36 +0,0 @@
-/*
- * Copyright (c) 2012, 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
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * 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.
- */
-
-package sun.awt;
-
-/**
- * A utility exception class used to eliminate package borders between the
- * EventQueue and the InvocationEvent classes.
- */
-public class AWTInterruptedException extends Exception {
-    public AWTInterruptedException(String msg) {
-        super(msg);
-    }
-}