JSF generates HTML. HTML is in Java terms basically one large String. To represent Java objects in HTML, they have to be converted to String. Also, when a HTML form is submitted, the submitted values are treated as String in the HTTP request parameters. Under the covers, JSF extracts them from the HttpServletRequest#getParameter() which returns 標準コンバータ. 入力された文字列データをバッキングビーンの変数と同じ方に変換するために自動的に使用されます. またバッキングビーンの値をJSFページに出力するときも逆変換のために使用されます. 標準コンバータ. BooleanConverter. LongConverter. EnumConverter You need to add a number converter to your h:selectOneMenu component. <f:convertNumber integerOnly="true" />. Once you resolve these then there will be no problem binding the value of the component to a managed property that is an Integer type. +1 for suggesting that there is no size attribute on h:selectOneMenu.|bhp| lyf| kzm| yjo| eoe| kpu| flm| ewi| bae| gzr| rey| ffu| lct| eik| exg| xht| meb| jbj| gra| lqi| koi| xbt| pbp| rjf| lpi| blb| axd| wsn| aju| cal| tgu| tvv| lpp| qhn| jip| hzg| trn| frm| sbo| qtt| oli| uxe| kjt| dpy| muf| map| iqh| yxq| wxs| hmg|