--- a/hotspot/agent/src/share/classes/sun/jvm/hotspot/oops/Klass.java	Fri Apr 11 09:56:35 2008 -0400
+++ b/hotspot/agent/src/share/classes/sun/jvm/hotspot/oops/Klass.java	Sun Apr 13 17:43:42 2008 -0400
@@ -171,8 +171,7 @@
   }
 
   public long getObjectSize() {
-    System.out.println("should not reach here");
-    return 0;
+    throw new RuntimeException("should not reach here");
   }
 
   /** Array class with specific rank */