Localhost11501 Exclusive [updated] ⟶ | GENUINE |

If you don’t actually need port 11501 exclusively, reconfigure your application to use a different port, like 11502 . Most frameworks support environment variables:

: Some database management tools allow an Exclusive Mode , which prevents other users or processes from accessing a database while you are making critical changes. localhost11501 exclusive

You set up Nginx or Caddy as a reverse proxy to forward localhost:11501 to an internal service. But the proxy fails, logging: "upstream port 11501 is locked with exclusive flag." If you don’t actually need port 11501 exclusively,