1, the database connection fails
a, download msql8.0.16 drive, put FineReport installation directory: webapps \ webroot \ WEB-INF \ lib \ under
b, custom connections
Database: others
Drive: com.mysql.cj.jdbc.Driver
URL:jdbc:mysql://localhost:3306/finedb?characterEncoding=utf8&useSSL=true&serverTimezone=Asia/Shanghai
user:
password: