hi every one

i need to pass the user define object as a value for h:selectOneMenu
it is possible in jsf.
i try it, but it gives NullPointerException. what is means i cant receive the object on my action bean from the h:selectOneMenu component.

this is my sample code.
Action class:

private User value;
@Out(required=false)
List<SelectItem> itemValue;

@Factory("itemValue")
public void populeate()
{
     itemValue=new ArrayList<SelectItem>();
     itemValue.add(new SelectItem(new User("a","b","c"),"a"));
     itemValue.add(new SelectItem(new User("1","2","3"),"b"));          
}
     
public User getValue() {
        return value;
}

public void setValue(User value) {
     this.value = value;
}

this is my jsf code

<h:selectOneMenu value="#{action.value}">            
      <f:selectItems value="#{itemValue}"/>     
</h:selectOneMenu>

by
Thiagu