--- old/src/share/classes/javax/swing/JComponent.java	2014-05-22 17:04:59.000000000 +0400
+++ new/src/share/classes/javax/swing/JComponent.java	2014-05-22 17:04:59.000000000 +0400
@@ -63,6 +63,7 @@
 import static javax.swing.ClientPropertyKey.*;
 import javax.accessibility.*;
 
+import sun.awt.SunToolkit;
 import sun.swing.SwingUtilities2;
 import sun.swing.UIClientPropertyKey;
 
@@ -4802,7 +4803,8 @@
      * @see RepaintManager#addDirtyRegion
      */
     public void repaint(long tm, int x, int y, int width, int height) {
-        RepaintManager.currentManager(this).addDirtyRegion(this, x, y, width, height);
+        RepaintManager.currentManager(SunToolkit.targetToAppContext(this))
+                      .addDirtyRegion(this, x, y, width, height);
     }
 
 
@@ -4856,7 +4858,7 @@
             // which was causing some people grief.
             return;
         }
-        if (SwingUtilities.isEventDispatchThread()) {
+        if (SunToolkit.isDispatchThreadForAppContext(this)) {
             invalidate();
             RepaintManager.currentManager(this).addInvalidComponent(this);
         }
@@ -4870,15 +4872,12 @@
                 }
                 setFlag(REVALIDATE_RUNNABLE_SCHEDULED, true);
             }
-            Runnable callRevalidate = new Runnable() {
-                public void run() {
-                    synchronized(JComponent.this) {
-                        setFlag(REVALIDATE_RUNNABLE_SCHEDULED, false);
-                    }
-                    revalidate();
+            SunToolkit.executeOnEventHandlerThread(this, () -> {
+                synchronized(JComponent.this) {
+                    setFlag(REVALIDATE_RUNNABLE_SCHEDULED, false);
                 }
-            };
-            SwingUtilities.invokeLater(callRevalidate);
+                revalidate();
+            });
         }
     }