--- a/jdk/src/share/classes/sun/rmi/transport/LiveRef.java	Tue Aug 30 14:41:12 2011 +0100
+++ b/jdk/src/share/classes/sun/rmi/transport/LiveRef.java	Tue Aug 30 11:53:11 2011 -0700
@@ -111,7 +111,7 @@
             LiveRef newRef = (LiveRef) super.clone();
             return newRef;
         } catch (CloneNotSupportedException e) {
-            throw new InternalError(e.toString());
+            throw new InternalError(e.toString(), e);
         }
     }