Spring Formatter for field annotation not work in Web Flow

I'd spent many hours about this problem.
that is 
field type conversion is worked, but  annotation type is not.





and no exception occured and this made the situation difficult.

finnaly i posted this article at stackoverflow.

thanks for M. Deinum it was solved immediately.

http://stackoverflow.com/questions/30973435/spring-formatter-for-field-annotation-not-work-in-web-flow



he is a writer of this book.

http://www.amazon.com/dp/1430241551


specialist of spring!

Thank you M. Deinum.