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Customize your "Page not found | 404" page

By default application::main() returns a 404 page if it does not find any dispatcher for a given url:

void application::main(std::string url) {
   if(!dispatcher().dispatch(url)) {
       response().make_error_response(http::response::not_found);
   }
}

To create your own 404 page, you must override the default application::main().

void myApplication::main(std::string url) {
  if (!dispatcher().dispatch(url)) {
    // Set the 404 status.
    response().status(http::response::not_found);
    response().out() << "Page not found";
  }
}

Or you can use your own template:

void myApplication::main(std::string url) {
  if (!dispatcher().dispatch(url)) {
    // Set the 404 status.
    response().status(http::response::not_found);
    content::main c; // Your main template.
    // c.content and c.title are defined in your template.
    c.content = "Use the search box.";
    c.title = "Page not found";
    render("main", c);

  }
}

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