i tryed to use another ways. here is fragment of my program : 1. login page: | <h:selectOneMenu styleClass="font_style" value="#{application.name}" converter="#{converters.applicationConverter}"> | <s:selectItems value="#{applications.resultList}" var="application" label="#{application.name}"/> | </h:selectOneMenu> | 2. components.xml | <framework:entity-query name="applications" ejbql="select a from Application a" /> | <framework:entity-home name="applicationHome" entity-class="com.magti.seam.beans.billAdmin.Application"/> | <factory name="application" value="#{applicationHome.instance}" /> | 3. My Converter : | @Transactional | public Converter getApplicationConverter() { | return new Converter() { | | @Transactional | public Object getAsObject(FacesContext arg0, UIComponent arg1, String arg2) throws ConverterException { | if (arg2 == null) { | return null; | } | try { | return ((EntityManager) Component.getInstance("entityManager")).find(Application.class, Long.valueOf(arg2)); | } catch (NumberFormatException e) { | throw new ConverterException("Cannot Find Selected Language", e); | } | } | | @Transactional | public String getAsString(FacesContext arg0, UIComponent arg1, Object arg2) throws ConverterException { | if (arg2 instanceof Application) { | Application application = (Application) arg2; | return application.getApplicationId().toString(); | } else { | return null; | } | } | | }; | } | 4. and entity bean i posted above, but i remove @Name annotation. but error still appears, | /login.xhtml @37,153 value="#{application.name}": Exception setting property name of base with class com.magti.seam.beans.billAdmin.Application, Bean: com.magti.seam.beans.billAdmin.Application, property: name, argument type mismatch | View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4019337#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...