In all my projects this happens at least once, and I'm surprised over and over again: a controller will not map just anything to @PathVariable by default. Contrary to intuition, the annotation's argument is a regular expression which excludes some characters per default. For instance the url http://localhost:8080/myapp/api/user/testuser@example when mapped to a controller: @RequestMapping(value = … Continue reading Spring @PathVariable mapping incomplete path when dots are included →