[WICKET-4121] WizardStep$FormValidatorWrapper.isActiveStep(WizardStep.java) causes NullPointerException

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.5.1
• Fix Version/s: 1.5.2
• Component/s: wicket-extensions
• Assignee: Sven Meier
• Reporter: Dirk Forchel
• Created: 11/Oct/11 09:46
• Updated: 18/Oct/11 06:48
• Resolved: 14/Oct/11 07:19

Description

Using the Wizard with a nested WizardModel (see RecursiveWizardModel implementation at the attached quickstart application) causes a NullPointerException. I was able to run the same test application with wicket 1.4.18 without any problems.

Caused by: java.lang.NullPointerException
at org.apache.wicket.extensions.wizard.WizardStep$FormValidatorWrapper.isActiveStep(WizardStep.java:145)
at org.apache.wicket.extensions.wizard.WizardStep$FormValidatorWrapper.getDependentFormComponents(WizardStep.java:109)
at org.apache.wicket.markup.html.form.validation.FormValidatorAdapter.getDependentFormComponents(FormValidatorAdapter.java:47)
at org.apache.wicket.markup.html.form.Form.validateFormValidator(Form.java:1782)
at org.apache.wicket.markup.html.form.Form.validateFormValidators(Form.java:1828)
at org.apache.wicket.markup.html.form.Form.validate(Form.java:1706)
at org.apache.wicket.markup.html.form.Form.process(Form.java:773)
at org.apache.wicket.markup.html.form.Form.onFormSubmitted(Form.java:728)
at org.apache.wicket.markup.html.form.Form.onFormSubmitted(Form.java:670)