Re: Attempt to set model object on null model of component

[Pedro Santos]

You need to find if the component who throw the exception is the same agent
constructed with lines you report and on what moment the component lost his
model.


On Mon, Sep 28, 2009 at 11:28 PM, Sam Barrow  wrote:

> I'm getting this exception:
> java.lang.IllegalStateException: Attempt to set model object on null
> model of component: form:agent
>
> The only reason i can find is that the field has a null model, but i added
> a new Model() to the field and im still getting it
>
> DropDownChoice agent = new DropDownChoice("agent", new
> Model(), agentList);
>
>
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-- 
Pedro Henrique Oliveira dos Santos

Re: "Attempt to set model object on null model of component" when submitting a form

[Azzeddine Daddah]

Thanks Stefan :)

On Tue, Sep 16, 2008 at 3:04 PM, Stefan Lindner <[EMAIL PROTECTED]> wrote:

> Your DropDownChoice element has no Model so the submit code does not know
> where to store your selection. Add a
>
> new Model()
>
> to it's constructor.
>
> -Ursprüngliche Nachricht-
> Von: Azzeddine Daddah [mailto:[EMAIL PROTECTED]
> Gesendet: Dienstag, 16. September 2008 15:01
> An: users@wicket.apache.org
> Betreff: "Attempt to set model object on null model of component" when
> submitting a form
>
> Hi,
>
> I've the following code:
>
> private static final List SEARCH_DOMAINS = Arrays.asList("AA",
> "BB");
> ...
> private void addSearchForm() {
>Form searchForm = new Form("searchForm");
>searchForm.add(new DropDownChoice("searchDomain", SEARCH_DOMAINS));
>searchForm.add(new TextField("areaCode", new Model(""),
> Integer.class));
>
>Button submiButton = new Button("submiButton") {
>private static final long serialVersionUID = 1L;
>
>public void onSubmit() {
>info("submiButton executed");
>}
>};
>
>searchForm.add(submiButton);
>add(searchForm);
>}
>
> When I hit the submit button I get this error: Attempt to set model object
> on null model of component.
>
> Could you please tell me what am I doing wrong?
>
> Gr. Azzeddine
>
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> To unsubscribe, e-mail: [EMAIL PROTECTED]
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>
>


-- 
Azzeddine Daddah
www.hbiloo.com