Failed to load defaultwidgetset

General
1

Any suggestions/solutions please…

2

Have you deployed you application enywhere else but root ( /* )? If that is the case, then you need to add a mapping for the Vaadin directory as well:

	<servlet-mapping>
		<servlet-name>YourServletName</servlet-name>
		<url-pattern>/VAADIN/*</url-pattern>
	</servlet-mapping>