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1. Syntax error results in blank page    stackoverflow.com

I am new to wicket and trying to get some things working.
One thing that annoys me a lot is that I get a blank (0 chars of text) page whenever there ...

2. Firefox Wicket + Nitobi XHTML namespace parse error    stackoverflow.com

I'm having an issue using multiple XML namespaces in a XHTML document. Specifically, I'm trying to use Wicket and Nitobi in the same document. The code looks something like this: 

<!DOCTYPE html ...

3. wicket ModalWindow error    stackoverflow.com

I'm new to wicket, and I get he following error when I try to run my application: WicketMessage: Modal window content id is wrong. Component ID:myPanel; content ID: content: in my AddStudent html: 

<span ...

4. Not add all components when displaying an error in WICKET    stackoverflow.com

I have a page that takes a single argument. If this argument is NOT passed, then I would like to display an error message ("please pass argument 'blah") which will ...

5. wicket download csv "Page expired" error    stackoverflow.com

I am trying to download a csv file on click of a button. I have the following implementation, but the moment I click the button, I get a page expired message 

WebResource ...

6. Wicket: error while processing form; how to skip to onError()?    stackoverflow.com

I have an AjaxFallbackButton on my page with its onSubmit and onError methods overridden. What is the best practice for dealing with exceptions/errors in the onSubmit method? Should I just stop ...

7. Wicket.Ajax.Call.failure: Error while parsing response: Object required    stackoverflow.com

I just spent several hours of my life debugging this problem. I'm documenting it here for others. Question: I'm getting the following error when I try to click on an AjaxLink in ...

8. java wicket error!    stackoverflow.com

This is my code, 

package com.mywicketapp;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;

import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.form.AjaxFormSubmitBehavior;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.model.Model;
import org.apache.wicket.util.string.Strings;
import org.apache.wicket.markup.html.WebPage;
import org.apache.wicket.extensions.ajax.markup
   .html.autocomplete.AutoCompleteTextField;

public class  HomePage extends WebPage
{
  public HomePage()
  {
 ...

9. Getting an error Markup of type 'html' not found    stackoverflow.com

I am extending a class SomeDetailPage which extends SomePage which in turn extends WebPage. Now this SomeDetailPage is working fine and has no issues. But I have created a new class ...





10. Is it possible to return a feedback error, but still allow wicket to update the component models?    stackoverflow.com

I have a wicket form which contains many TextField input components. There's a Validator attached to most of these inputs. Suppose I've entered 50 values, and one of those fails a range ...

11. wicket 1.5 not found error message    stackoverflow.com

I made a ComponentFeedbackPanel for my inputs where I display message for form components. I have inputs for pass change, where you type your old pass, new pass and repeat new ...