spring mvc - Removing an object from siteContext -

i new vaadin framework. have project based on spring, using vaadin on half of pages match url spring mvc pattern:

 sitecontext.putobject("url-prefix", request.getcontextpath() + "/ui/");  

i have remove ui url. how can that?

i new vaadin (in fact don't know is). try this:

sitecontext.putobject("url-prefix", request.getcontextpath() + "/");