throws mysql error

Signed-off-by: Walamana <joniogerg@gmail.com>

app.js

@@ -26,6 +26,7 @@ con.connect(err => {
         console.log("Cant connect to MySQL database");
         console.log(err);
         cause = err;
+        throw err;
     }
     console.log("Connected to database!");
 });