src/share/classes/javax/swing/colorchooser/DefaultSwatchChooserPanel.java

@@ -264,12 +264,11 @@
         }
     }
 
 }
 
-
-
+@SuppressWarnings("serial") // Same-version serialization only
 class SwatchPanel extends JPanel {
 
     protected Color[] colors;
     protected Dimension swatchSize;
     protected Dimension numSwatches;

@@ -436,10 +435,11 @@
 
 
 
 }
 
+@SuppressWarnings("serial") // Superclass is not serializable across versions
 class RecentSwatchPanel extends SwatchPanel {
     protected void initValues() {
         swatchSize = UIManager.getDimension("ColorChooser.swatchesRecentSwatchSize", getLocale());
         numSwatches = new Dimension( 5, 7 );
         gap = new Dimension(1, 1);

@@ -463,10 +463,11 @@
         repaint();
     }
 
 }
 
+@SuppressWarnings("serial") // Superclass is not serializable across versions
 class MainSwatchPanel extends SwatchPanel {
 
 
     protected void initValues() {
         swatchSize = UIManager.getDimension("ColorChooser.swatchesSwatchSize", getLocale());