hi,
caoyixuan a écrit :
> * Hey,
> I have the following facelets code for display a selectbox:
> * <h:selectOneMenu value="#{titleListManager.selectedTitle}">
> <f:selectItems value="#{titleListManager.titleItems}" />
> </h:selectOneMenu>
>
> public <List>SelectItem getTitleItems() {
Does this code compile? It should be List<SelectItem> here.
> List<SelectItem> titleItems = new ArrayList<SelectItem>();
>
> titleItems.add(new SelectItem("1", "1"));
> titleItems.add(new SelectItem("2", "2"));
> titleItems.add(new SelectItem("3", "3"));
> titleItems.add(new SelectItem("4", "4"));
> titleItems.add(new SelectItem("5", "5"));
>
> return titleItems;
> }
>
> *Unfortunately, I get the exception below:
> *
> java.lang.IllegalArgumentException: Expected a child component type of
> UISelectItem/UISelectItems for component type
> javax.faces.SelectOne(j_id273). Found null.
The list is not retrieved correctly: #{titleListManager.titleItems}
resolves to null.
Displaying <h:outputText value="#{titleListManager.titleItems}" /> would
be a first step to check that the method is called and actually
returns the list.
Regards,
--
Anahide Tchertchian, Nuxeo
Mail: [EMAIL PROTECTED] - Tel: +33 (0)1 40 33 79 87
http://www.nuxeo.com - http://www.nuxeo.org
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