quando insiro um novo produto ele grava com a data por ex: 2016-07-29 00:00:00 e na listagem ele imprime isso:
java.util.GregorianCalendar[time=567914400000,areFieldsSet=true,areAllFieldsSet=true,lenient=true,zone=sun.util.calendar.ZoneInfo[id="America/Sao_Paulo",offset=-10800000,dstSavings=3600000,useDaylight=true,transitions=129,lastRule=java.util.SimpleTimeZone[id=America/Sao_Paulo,offset=-10800000,dstSavings=3600000,useDaylight=true,startYear=0,startMode=3,startMonth=9,startDay=15,startDayOfWeek=1,startTime=0,startTimeMode=0,endMode=3,endMonth=1,endDay=15,endDayOfWeek=1,endTime=0,endTimeMode=0]],firstDayOfWeek=1,minimalDaysInFirstWeek=1,ERA=1,YEAR=1987,MONTH=11,WEEK_OF_YEAR=1,WEEK_OF_MONTH=5,DAY_OF_MONTH=31,DAY_OF_YEAR=365,DAY_OF_WEEK=5,DAY_OF_WEEK_IN_MONTH=5,AM_PM=0,HOUR=0,HOUR_OF_DAY=0,MINUTE=0,SECOND=0,MILLISECOND=0,ZONE_OFFSET=-10800000,DST_OFFSET=3600000]meu metodo conversor
@Bean
public FormattingConversionService mvcConversionService() {
DefaultFormattingConversionService conversionService = new DefaultFormattingConversionService();
DateFormatterRegistrar formatterRegistrar = new DateFormatterRegistrar();
formatterRegistrar.setFormatter(new DateFormatter("dd/MM/yyyy"));
formatterRegistrar.registerFormatters(conversionService);
return conversionService;
}