src/share/classes/java/time/MonthDay.java

*** 436,446 ****
              switch ((ChronoField) field) {
                  // alignedDOW and alignedWOM not supported because they cannot be set in with()
                  case DAY_OF_MONTH: return day;
                  case MONTH_OF_YEAR: return month;
              }
!             throw new UnsupportedTemporalTypeException("Unsupported field: " + field.getName());
          }
          return field.getFrom(this);
      }
  
      //-----------------------------------------------------------------------
--- 436,446 ----
              switch ((ChronoField) field) {
                  // alignedDOW and alignedWOM not supported because they cannot be set in with()
                  case DAY_OF_MONTH: return day;
                  case MONTH_OF_YEAR: return month;
              }
!             throw new UnsupportedTemporalTypeException("Unsupported field: " + field);
          }
          return field.getFrom(this);
      }
  
      //-----------------------------------------------------------------------