| DuplicateNamedRouteException | Exception raised when a route names used twice. |
| MissingControllerException | Missing Controller exception - used when a controller cannot be found. |
| MissingDispatcherFilterException | Exception raised when a Dispatcher filter could not be found |
| MissingRouteException | Exception raised when a URL cannot be reverse routed or when a URL cannot be parsed. |
| RedirectException | An exception subclass used by the routing layer to indicate that a route has resolved to a redirect. |
