WeldListener.java

public class WeldListener extends AbstractServletListener
{
    ...

   @Override
   public void requestInitialized(ServletRequestEvent event)
   {
       String contextId = (String) event.getServletContext().getAttribute(Container.CONTEXT_ID_KEY);
       ...
        this.requestContextCache = Container.instance(contextId).deploymentManager().instance().select(HttpRequestContext.class).get();
       ...
   }

   ...
}