WizardStep$FormValidatorWrapper.isActiveStep(WizardStep.java) causes
NullPointerException
-----------------------------------------------------------------------------------------
Key: WICKET-4121
URL: https://issues.apache.org/jira/browse/WICKET-4121
Project: Wicket
Issue Type: Bug
Components: wicket-extensions
Affects Versions: 1.5.1
Reporter: Dirk Forchel
Using the Wizard with a nested WizardModel (see RecursiveWizardModel
implementation at the attached quickstart application) causes a
NullPointerException. I was able to run the same test application with wicket
1.4.18 without any problems.
Caused by: java.lang.NullPointerException
at
org.apache.wicket.extensions.wizard.WizardStep$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)
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