Book of Vaadin (7) plugins install went south (Eclipse Ivy settings)

Hello, following the Book of Vaadin 7 plugin install (Eclipse, Apache Ivy etc.) and then attempting to import the online source for the book: Vaadin 7 UI Design By Example went south on my with the following error conditon:

Failed to configure Ivy for ivy.xml[widgetset-compile]
in welcomeError while resolving the ivy instance for ivy.xml[widgetset-compile]
in ‘welcome’:
Unrecognized variables in the Ivy settings file ${workspace_loc:welcome/ivysettings.xml}

Any ideas?

Please advise.