yzqzs 发表于 2018-10-1 14:11:53

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.
  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%';
  修改此变量的值:
  my.cnf文件中的段中的"max_allowed_packet = 1M",(可能有些文件会没有这一行的)
  格式为:
  
  max_allowed_packet = 1M ( 将1M更改为4M(如果没有这行内容,增加一行)),
  保存,
  重起MySQL服务。
  现在可以load大于1M的文件了

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