我在Rails站点上遇到间歇性500错误。浏览日志后，我看到成千上万的routing_errors。
App 1295 output: Processing by ApplicationController#routing_error as PNG
App 1295 output: Processing by ApplicationController#routing_error as GIF
App 1295 output: Processing by ApplicationController#routing_error as JS
App 1295 output: Processing by ApplicationController#routing_error as GIF
App 1295 output: Processing by ApplicationController#routing_error as GIF
有什么想法会导致这些问题吗？