spring - Problems with @InitBinder -


i have problem initbinder use in form, allowed how below ?

@initbinder     public void initbinder(webdatabinder binder, webrequest request) {         binder.registercustomeditor(class.class, "subclass",                 new propertyeditorsupport() {                     @override                     public void setastext(string text) {                         setvalue((text.equals("")) ? null : classdao                                 .getclass(integer.parseint((string) text)));                     }                 });          binder.registercustomeditor(teacher.class, "teacher",                 new propertyeditorsupport() {                     @override                     public void setastext(string text) {                         setvalue((text.equals("")) ? null : teacherdao                                 .getteacher(integer.parseint((string) text)));                     }                 });     }

if choose 1 example teacher works when @ same time 400 request error.


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