Connecting to database...
Failed to connect to database
Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
null
Failed to fetch query: SELECT * FROM city
Exception in thread "main" java.lang.NullPointerException
        at com.napier.sem.repositories.CityRepository.<init>(CityRepository.java:19)
        at com.napier.sem.App.main(App.java:19)