ERROR - PatchFailedException - Possible Causes of PatchFailedException

Exception Thrown By:Cause
FrameworkClassMethod
Apache Wicket Delta public final void patch(List target) if the
patch cannot be applied.
Apache Wicket Delta public abstract void applyTo(List target) if the
patch cannot be applied
Apache Wicket Revision public void applyTo(List target) if any of
the patches cannot be applied.