Java MySQL database, can be connected before,,, because other problems project to import the eclipse even after not on!!!!!! Confirm that the user name and password no problem!!!!! Please help to see see!!!!!!

CodePudding user response:

CodePudding user response:

reference 1st floor qq_46466757 response:

This is an error!!!!!! Thank you for your

CodePudding user response:

If is the same code, can link up, before the connection is not on the case now, you can check whether your mysql service launched, steps: the computer - management - service - "mysql (see if start, don't start, start directly, can reconnect)

CodePudding user response:

The database user is empty, check the configuration file

CodePudding user response:

The

reference 4 floor tianfang reply:

database user is empty, check the configuration file

How to check a small white level, and are less likely to be

CodePudding user response:

The code posted, this is definitely wrong JDBC url to write wrong bai
The JDBC url basic format: JDBC: mysql://localhost: 3306/test

CodePudding user response:

I drop problem solving!! Thank you for your attention!

CodePudding user response:

User name password is wrong