今天用java写了批量插入运行时,报错: Error updating database.  Cause: com.mysql.cj.jdbc.exceptions.PacketTooBigException: Packet for query is too large (1,399,241 > 1,048,576). You can change this value on the server by setting the 'max_allowed_packet' variable. 出现问…

今天将项目部署到linux服务器的时候莫名其妙的报一些错误,可是在本地啥错没有,通过实时查看tomcat 的日志之后发现报错是: 实时查看日志: .先切换到:cd usr/local/tomcat5/logs .tail -f catalina.out .这样运行时就可以实时查看运行日志了 发现错误: rg.springframework.dao.TransientDataAccessResourceException: ### Error querying ). You can change…

修改 my.ini 加上 max_allowed_packet =6710886467108864=64M默认大小4194304  也就是4M修改完成之后要重启mysql服务,如果通过命令行修改就不用重启mysql服务.命令修改:设置为500Mmysql> set global max_allowed_packet = 500*1024*1024; 查看mysql的max_allowed_packet大小,运行show VARIABLES like '%max_allowed_packet%';…

升级MySQL到5.7后,查询语句总是报sql_mode=only_full_group_by问题,总结归纳了两种解决方案,推存第二种解决方案. 报错信息: [Err] 1055 - Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'information_schema.PROFILING.SEQ' which is not functionally depe…

### Cause: com.mysql.jdbc.PacketTooBigException: Packet for query is too large (1169 > 1024). You can change this value on the server by setting the max_allowed_packet' variable. ; SQL []; Packet for query is too large (1169 > 1024). You can change…

注:最近mysql一直提示如下错误 Packet for query is too large (1185 > 1024). You can change this value on the server by setting the max_allowed_packet' variable.... 按网上要求,检查max_allowed_packet show VARIABLES like '%max_allowed_packet%'; 修改max_allowed_packet set glo…

注:最近mysql一直提示如下错误 Packet for query is too large (1185 > 1024). You can change this value on the server by setting the max_allowed_packet' variable.... 按网上要求,检查max_allowed_packet show VARIABLES like '%max_allowed_packet%'; 修改max_allowed_packet set glo…

今天1网友,查询报错ERROR: No query specified,随后它发来截图. root case:查询语法错误 \G后面不能再加分号;,由于\G在功能上等同于;,假设加了分号,那么就是;;(2个分号),SQL语法错误 备注:MySQL学习时.最好先去仔细致细.掌握基础:…

Linux下mysql 报Packet for query is too large (1040 > 1024)错误的解决方法 项目之前一直正常运行,这几天突然一直提示查询出错,看了下日志发现提示Packet for query is too large (1040 > 1024). You can change this value on the server by setting the max_allowed_packet' variable.错误.百度了解决方法,记录下解决过程. 1.…

mysql中执行sql的时候报以下错误:Packet for query is too large (1354 > 1024) 原因是mysql一次接收的报文太长,需要调整服务器参数max_allowed_packet 登录mysql,执行以下sql查看参数值: show VARIABLES like '%max_allowed_packet%'; 执行以下sql修改成20M(这里的单位是字节,所以需要进行计算): *10; 如果需要永久生效,则需要修改配置文件my.cnf,添加以下内容: ma…