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The issue is likely due to socket authentication being enabled for the root user by default when no password is set, during the upgrade to ubuntu 16.04. The solution is to revert back to native password authentication. You can do this by logging in to MySQL using socket authentication by doing:
MySQL Workbench is not a JDBC client. A non-JDBC client cannot use a JDBC connection string to connect to a MySQL database. In short, your question doesn't make sense.
In this tutorial, you will learn how to connect to the MySQL database using the JDBC Connection object from a Java program.
Specify to the DriverManager which JDBC drivers to try to make Connections with. The easiest way to do this is to use Class.forName () on the class that implements the java.sql.Driver interface. With MySQL Connector/J, the name of this class is com.mysql.cj.jdbc.Driver.
16.5: I cannot connect to the MySQL server using Connector/J, and I'm sure the connection parameters are correct. Make sure that the skip_networking system variable has not been enabled on your server.
2 sie 2022 · If you have access problems with a Perl, PHP, Python, or ODBC program, try to connect to the server with mysql -u user_name db_name or mysql -u user_name-ppassword db_name. If you are able to connect using the mysql client, the problem lies with your program, not with the access privileges.
7 mar 2020 · First, in order to have Java program working with MySQL, we need a JDBC driver for MySQL. Browse this URL: http://dev.mysql.com/downloads/connector/j/ to download the latest version of the JDBC driver for MySQL called Connector/J. MySQL Connector/J comes into 2 major versions: 5.1 and 8.0.
