--- a/jdk/src/share/classes/java/rmi/dgc/VMID.java	Tue Aug 30 14:41:12 2011 +0100
+++ b/jdk/src/share/classes/java/rmi/dgc/VMID.java	Tue Aug 30 11:53:11 2011 -0700
@@ -170,7 +170,7 @@
             /* can't happen, but be deterministic anyway. */
             addrHash = new byte[0];
         } catch (NoSuchAlgorithmException complain) {
-            throw new InternalError(complain.toString());
+            throw new InternalError(complain.toString(), complain);
         }
         return addrHash;
     }