nested exception is com.mysql.jdbc.PacketTooBigException: Packet for query is too large (1109 > 1024时间:2023-03-09 02:48:26 MySQL的一个系统参数:max_allowed_packet >mysql -u root -p //root登录 1. 查看系统参数:show VARIABLES like '%max_allowed_packet%' 2. 设置系统参数:set global max_allowed_packet = 2*1024*1024*10; /etc/init.d/mysqld restart