--- a/jdk/src/share/classes/java/time/chrono/Era.java	Thu Jul 18 10:49:08 2013 -0700
+++ b/jdk/src/share/classes/java/time/chrono/Era.java	Thu Jul 18 11:02:02 2013 -0700
@@ -238,7 +238,7 @@
         if (field == ERA) {
             return getValue();
         } else if (field instanceof ChronoField) {
-            throw new UnsupportedTemporalTypeException("Unsupported field: " + field.getName());
+            throw new UnsupportedTemporalTypeException("Unsupported field: " + field);
         }
         return field.getFrom(this);
     }