--- a/jdk/src/share/classes/sun/security/provider/certpath/ForwardState.java	Tue Aug 30 14:41:12 2011 +0100
+++ b/jdk/src/share/classes/sun/security/provider/certpath/ForwardState.java	Tue Aug 30 11:53:11 2011 -0700
@@ -262,7 +262,7 @@
                 = (HashSet<GeneralNameInterface>)subjectNamesTraversed.clone();
             return clonedState;
         } catch (CloneNotSupportedException e) {
-            throw new InternalError(e.toString());
+            throw new InternalError(e.toString(), e);
         }
     }
 }