目录解决办法一解决办法二在创建要给表的时候遇到一个有意思的问题,提示Specified key was too long; max key length is 767 bytes,从描述上来看,是Key太长,超过了指定的 767字节限制下面是产生问题的表结构CREATE TABLE `test_table` (`id` in..
MySQL数据库 Too many connections出现这种错误明显就是 mysql_connect 之后忘记 mysql_close;当大量的connect之后,就会出现Too many connections的错误,mysql默认的连接为100个,而什么情况下会出现这种错误呢?正常的mysql_connect 之后调用 m..
问题描述:报错信息:Caused by: com.mysql.jdbc.PacketTooBigException: Packet for query is too large (1354 > 1024). You can change this value on the server by setting the max_allowed_packet' variableMySQL根据配置文件会限制Server接受..