--- a/jdk/src/share/classes/sun/misc/REException.java	Thu Sep 15 14:10:30 2011 +0100
+++ b/jdk/src/share/classes/sun/misc/REException.java	Fri Sep 16 12:09:04 2011 -0700
@@ -31,6 +31,9 @@
  */
 
 public class REException extends Exception {
+
+    private static final long serialVersionUID = 4656584872733646963L;
+
     REException (String s) {
         super(s);
     }