overleaf/overleaf · error

Not Found (catch-all route res.sendStatus(404))

Error message

Not Found (catch-all route res.sendStatus(404))

What it means

Catch-all GET route in the notifications service: any request path not matching the defined notification routes is answered with a bare 404 before reaching any controller.

Source

Thrown at services/notifications/app.ts:50

app.post('/user/:user_id', NotificationsController.addNotification)
app.get('/user/:user_id', NotificationsController.getUserNotifications)
app.delete(
  '/user/:user_id/notification/:notification_id',
  NotificationsController.removeNotificationId
)
app.delete('/user/:user_id', NotificationsController.removeNotificationKey)
app.delete('/key/:key', NotificationsController.removeNotificationByKeyOnly)
app.get('/key/:key/count', NotificationsController.countNotificationsByKeyOnly)
app.delete(
  '/key/:key/bulk',
  NotificationsController.deleteUnreadNotificationsByKeyOnlyBulk
)

app.get('/status', (req, res) => res.send('notifications is up'))

app.get('/health_check', HealthCheckController.check)

app.get('*', (req, res) => res.sendStatus(404))

const handleApiError: ErrorRequestHandler = (
  err: Error,
  req: Request,
  res: Response,
  next: NextFunction
) => {
  req.logger.addFields({ err })
  if (err instanceof InvalidParamsError) {
    req.logger.setLevel('warn')
    res.sendStatus(404)
  } else if (err instanceof InvalidRequestError) {
    req.logger.setLevel('warn')
    res.sendStatus(400)
  } else {
    req.logger.setLevel('error')
    res.sendStatus(500)
  }

View on GitHub (pinned to 28ad3b03b7)

Solutions

1. Check the request path against the documented notifications API routes
2. Correct typos or outdated route prefixes in the client call

When it happens

Trigger: Thrown at services/notifications/app.ts:50 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of overleaf/overleaf@28ad3b03b7 (2026-09-03). Data as JSON: /api/errors/90ef87d063db4aff. Report an issue: GitHub.