Packet for query is too large(mysql写入数据过大)

错误现象:(com.logicaldoc.core.security.dao.HibernateUserDAO: 102) -- Packet for query is too large (1086 > 1024). You can change this value on the server by setting the max_allowed_packet' variable.
org.hibernate.exception.GenericJDBCException: Packet for query is too large (1086 > 1024). You can change this value on the server by setting the max_allowed_packet' variable.mysql

解决办法:MySQL的一个系统参数:max_allowed_packet,其默认值为1048576(1M),
查询:show VARIABLES like '%max_allowed_packet%';sql

修改此变量的值:ide

my.cnf文件中的[mysqld]段中的"max_allowed_packet = 1M",(可能有些文件会没有这一行的)this

格式为:spa

[mysqld]hibernate

max_allowed_packet = 1M ( 将1M更改成4M(若是没有这行内容,增长一行)),orm

保存,server

重起MySQL服务。ci

如今能够load大于1M的文件了it

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