What are you doing there?
You get a model object from the listitem
And then you are calling setmodel(compound) on the listview itself?
Why is that then you are changing the model of the listview inside the
loop that it goes over them creating listitems!
On 10/23/08, pieter claassen <[EMAIL PROTECTED]> wrote:
> I am getting a classcast exception in ListView that is stumping me.
>
> This is the error message (top few lines)
>
> WicketMessage: Error attaching this container for rendering:
> [MarkupContainer [Component id = questioneditform]]
>
> Root cause:
>
> java.lang.ClassCastException: com.musmato.model.QuestionAndAnswer
> at
> org
> .apache
> .wicket.markup.html.list.ListItemModel.getObject(ListItemModel.java:55)
> at org.apache.wicket.Component.getModelObject(Component.java:1558)
> at com.musmato.wicket.pages.templates.TemplateEditPage$QuestionEditForm
> $1.populateItem(TemplateEditPage.java:93)
>
>
> This is the code that generates my ListItems:
>
> ListView questions = new ListView("questions", template
> .getQuestions()) {
>
>
> @Override
> protected void populateItem(ListItem item) {
> final QuestionAndAnswer qanda =
> (QuestionAndAnswer) item
> .getModelObject();
> setModel(new
> CompoundPropertyModel(qanda));
>
>
>
> I know for a fact that template.getQuestions() produces an ArrayList.
>
> The arraylist works when there is only 1 item in it but when I have
> more than 1 item, it fails with the ClassCastException. Is this a
> wicket problem or am I doing something wrong?
>
> Regards,
> Pieter
> pieter claassen
> [EMAIL PROTECTED]
>
>
>
>
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