In a JavaWeb project, I searched for a long time but couldn't find a solution. Finally, the problem was solved by copying the driver to tomcat's lib.
It can be checked by the following methods:
Method 1: Copy the jar to tomcat's lib:
Find the tomcat directory and enter the lib inside:
Copy the jdbc jar package into it:
Then restart the server, solved!
Method 2: Add project structure
Find the project structure and add the driver to it:
Method 3: Add the jar package at the Mysql data source:
