Sebastien Briquet created WICKET-4549: -----------------------------------------
Summary: Wicket 6.0.0-beta1: RangeValidator / FeedbackPanel Issue (NPE) Key: WICKET-4549 URL: https://issues.apache.org/jira/browse/WICKET-4549 Project: Wicket Issue Type: Bug Components: wicket Affects Versions: 6.0.0-beta1 Environment: (k)ubuntu 11.10, java-6-openjdk Reporter: Sebastien Briquet While using the following code: form.add(new FeedbackPanel("feedback")); 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). 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) -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira