Is Flash scope free of race conditions?
问题 I found out that the JSF 2.0 Flash scope is implemented in Mojarra 2.x via a cookie. What seems to happen is that when navigating from view A to view B using The Flash, JSF sends a redirect response. It is this same response that contains the set-cookie header. As cookies are global for the browser, I wonder what the chances are that this leads to a race condition. As the cookie is set during the redirect response, I tried to find if the HTTP spec somehow guarantees that the request that the