And as usual, you have the solution :-) Ok, so now I'm checking if the errors
array is empty before calling saveChanges, and everything is beautiful in
Wonderland.
> I hope I am understanding you correctly Pascal, so……..
>
> Form values are pushed in takeValueFromRequest using the
> validateTakeValueForKey( … ) …… only then will your WOComponent
> validationFailedWithException be called.
>
> So BEFORE you call ec.saveChanges, you need to check if you have validation
> errors and then return your page with validation errors displayed.
>
> If you don't, then ec.saveChanges will call validateForSave, which will AGAIN
> call validateKey on all your EO attributes and throw NSValidation.Exception.
> ec.saveChanges will NOT call your component's validationFailedWithException.
>
> HTH, Kieran
>
>
> On Oct 4, 2011, at 8:23 AM, Pascal Robert wrote:
>
>> I guess working with REST and calendars made my brain to forget how to do
>> things with stateful components... I need to trap validation exceptions when
>> required attributes are missing and ec.saveChanges() is called, so in my
>> superclass for my components, I did:
>>
>> public void validationFailedWithException(Throwable exception, Object
>> value, String keyPath) {
>> super.validationFailedWithException(exception, value, keyPath);
>> ((Session)session()).addError(exception.getMessage());
>> }
>>
>> And I made a component to display the errors if session.errors() is not
>> empty. Problem is: when saveChanges is called, I'm getting the generic
>> exceptions page instead of my page with the ErrorsDisplay component. With
>> the debugger, I do see that I go into validationFailedWithException, so I'm
>> a bit lost of why I'm getting the generic exceptions page.
>>
>> What I'm doing wrong?
>>
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