--- a/org.eclipse.core.databinding/src/org/eclipse/core/internal/databinding/validation/StringToByteValidator.d	Sat Apr 18 09:25:29 2009 +0200
+++ b/org.eclipse.core.databinding/src/org/eclipse/core/internal/databinding/validation/StringToByteValidator.d	Sat Apr 18 13:54:50 2009 +0200
@@ -21,13 +21,17 @@
  * @since 1.0
  */
 public class StringToByteValidator : AbstractStringToNumberValidator {
-    private static final Byte MIN = new Bytecast(Byte.MIN_VALUE);
-    private static final Byte MAX = new Bytecast(Byte.MAX_VALUE);
+    private static Byte MIN;
+    private static Byte MAX;
     
     /**
      * @param converter
      */
     public this(NumberFormatConverter converter) {
+        if( MIN is null || MAX is null ){
+            MIN = new Byte(Byte.MIN_VALUE);
+            MAX = new Byte(Byte.MAX_VALUE);
+        }
         super(converter, MIN, MAX);
     }