--- a/jdk/src/share/classes/javax/swing/JComboBox.java	Fri Apr 17 16:28:02 2009 +0400
+++ b/jdk/src/share/classes/javax/swing/JComboBox.java	Sat Apr 25 21:17:50 2009 +0400
@@ -34,12 +34,10 @@
 
 import java.io.Serializable;
 import java.io.ObjectOutputStream;
-import java.io.ObjectInputStream;
 import java.io.IOException;
 
 import javax.swing.event.*;
 import javax.swing.plaf.*;
-import javax.swing.border.*;
 
 import javax.accessibility.*;
 
@@ -227,7 +225,7 @@
 
     private void init() {
         installAncestorListener();
-        setOpaque(true);
+        setUIProperty("opaque",true);
         updateUI();
     }