I'm trying to connect a desktop application that uses Java to a server. First I tried using Access, but I had problems with drivers, I tried to use UCanAccess and more problems, I finally gave up, I started with the good old MySQL.
First of all, I had a lot of problems to get past the Connection part, I always popped the exception in "DriverManager.getConnection ()", after a lot of work, I was able to correct it.
However, now when trying to insert data, another error ends up appearing: