I can confirm this, see this quickstart: http://decoded.de/wicket-quickstart.zip
The NPE only occurs if there is a FeedbackPanel on the page. If you take it out
-> no exception. Besides, there is no WARN log if you are missing a
FeedbackPanel and there are messages to be rendered, bug or feature?!
Cheers,
-Tom
On 09.05.2012 at 22:49 Sebastien wrote:
> Hi wicket's team,
>
> While using the following code:
>
> final TextField<Integer> input = new TextField<Integer>("input",
> new Model<Integer>(15), Integer.class);
> input.add(new RangeValidator<Integer>(0, 200));
> form.add(input);
>
> I've got a NPE with wicket6.0.0-beta1, when I submit the form with a value
> not inside the validator's bounds. (ie, 500).
> I tested in a simple quickstart to be sure... It is ok with 1.5.6 and crash
> with 6.0.0-beta1
>
> java.lang.NullPointerException
> at
> org.apache.wicket.markup.html.form.ValidationErrorFeedback.toString(ValidationErrorFeedback.java:83)
> at
> org.apache.wicket.markup.html.panel.FeedbackPanel.newMessageDisplayComponent(FeedbackPanel.java:338)
> at
> org.apache.wicket.markup.html.panel.FeedbackPanel$MessageListView.populateItem(FeedbackPanel.java:117)
> at
> org.apache.wicket.markup.html.list.ListView.onPopulate(ListView.java:524)
> at
> org.apache.wicket.markup.repeater.AbstractRepeater.onBeforeRender(AbstractRepeater.java:116)
>
> Thus, just fyi, it is not documented in the migration guide what's happened
> to the NumberValidator... I did not find it, so I did not test another
> validator such as MaximumValidator...
>
> Best regards,
> Sebastien
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