THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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The visibility of org.apache.wicket.markup.html.form.FormComponent#convertInput() method has been changed from <em>protected</em> to <em>public</em> to allow application components and behaviors to convert the input of another form component(s) during custom form (component) submit processing.
Use commons-fileupload as Maven dependency instead of keeping copies of its classes WICKET-5503
All classes from package org.apache.wicket.util.upload.** are now in org.apache.commons.fileupload.**.
For example FileItem and FileUploadException.
Behavior changes
org.apache.wicket.request.Url#getQueryString WICKET-4664
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