src/java.desktop/share/classes/sun/font/Font2D.java

@@ -459,14 +459,21 @@
 
     /* Currently the layout code calls this. May be better for layout code
      * to check the font class before attempting to run, rather than needing
      * to promote this method up from TrueTypeFont
      */
-    byte[] getTableBytes(int tag) {
+    protected byte[] getTableBytes(int tag) {
         return null;
     }
 
+    /* implemented for fonts backed by an sfnt that has
+     * OpenType or AAT layout tables.
+     */
+    protected long getLayoutTableCache() {
+        return 0L;
+    }
+
     /* for layout code */
     protected long getUnitsPerEm() {
         return 2048;
     }