diff -r 1d57022fdb6e -r 12c063b39232 jdk/src/share/classes/javax/management/openmbean/TabularDataSupport.java
--- a/jdk/src/share/classes/javax/management/openmbean/TabularDataSupport.java	Tue Aug 30 14:41:12 2011 +0100
+++ b/jdk/src/share/classes/javax/management/openmbean/TabularDataSupport.java	Tue Aug 30 11:53:11 2011 -0700
@@ -671,7 +671,7 @@
             return c;
         }
         catch (CloneNotSupportedException e) {
-            throw new InternalError(e.toString());
+            throw new InternalError(e.toString(), e);
         }
     }