public void testBindingErrorWithFormatterAgainstFields() {
TestBean tb = new TestBean();
DataBinder binder = new DataBinder(tb);
binder.initDirectFieldAccess();
FormattingConversionService conversionService = new FormattingConversionService();
DefaultConversionService.addDefaultConverters(conversionService);
conversionService.addFormatterForFieldType(Float.class, new NumberFormatter());
binder.setConversionService(conversionService);
MutablePropertyValues pvs = new MutablePropertyValues();
pvs.add("myFloat", "1x2");
LocaleContextHolder.setLocale(Locale.GERMAN);