Anybody Knows how to Load External .jsp file in Accordion (panel) ?

Below is my Snippet :

	String basepath = VaadinService.getCurrent().getBaseDirectory().getAbsolutePath();
	ExternalResource resource = new ExternalResource(basepath + "****/<pageName>.jsp");
	Embedded embedded = new Embedded(null, resource);
	embedded.setType(Embedded.TYPE_BROWSER);
	embedded.setWidth("100%");
	embedded.setHeight("100%");
	elementiValVL.addComponents(embedded);

I am getting below exception as :

CWSRV0255E: A WebGroup/Virtual Host to handle ****/.jsp has not been defined.

CWSRV0255E: A WebGroup/Virtual Host to handle : has not been defined.

I tried to find issue but everything i.e. Websgroup properly configured.

Do we have any other way to work this? We are using Vaadin 7 Version. please help.

Thank You !