You component is not attached to a parent yet.
You could try doing that work in onAttach().
serban.balamaci wrote:
>
> Hi.
>
> I have a problem in that inside the constructor of a page(panel actually)
> i invoke a stored procedure which needs to get the model for the panel.
> The stored procedure may throw an error message. The error message should
> be seen by the user, he can understand what he did wrong. So inside the
> constructor i have something like this:
>
> public PanelConstructor() {
> try {
> ....
> invoke stored procedure
> .....
> } catch(UserPresentableException e) {
> error(e.getMessage);
> }
> }
>
> The problem is that if the error is thrown i get a No page found for
> component. I understand that the cause of the error is that the "error
> component" not being instantiated because of the constructor not being
> finished(or i think that's the cause).
>
> Any ideas of solutions that i can implement?
> I know that i could set wicket to production instead of development and
> get rid of the stack trace. The problem is that i would like to keep the
> error message - to show the error message back to the user-. Should i
> instead of doing error(e.getMessage) rethrow the message inside a new
> defined exception and have a custom error page for that exception in which
> i would show only the message of the error.
>
> Is there any option that would keep me from treating the errors in the
> constructor other than how i treat an error from a button push in which i
> do error(e.getMessage())?
>
> Thanks.
>
>
>
>
--
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Sent from the Wicket - User mailing list archive at Nabble.com.
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