在做查询数据库操作时,报了以上错误,还有out of memery heap hacp ,原因是MySQL的max_allowed_packet设置过小引起的,我一开始设置的是1M,后来改为了20M mysql根据配置文件会限制server接受的数据包大小. 有时候大的插入和更新会被max_allowed_packet 参数限制掉,导致失败. 查看目前配置 show VARIABLES like '%max_allowed_packet%'; 显示的结果为: +-----------------…

今天发现task微服务的error日志报如下错误: Cause: com.mysql.jdbc.PacketTooBigException: Packet for query is too large (16944839 > 16777216). You can change this value on the server by setting the max_allowed_packet' variable. 网上查了一下说要设置  max_allowed_packet    但是我查了一下…

这个错误是由于mysql的一个系统参数max_allowed_packet设置的值过小引起的 解决这个错误的方法就是修改这个参数的值, linux系统中我们在etc目录下找到my.cnf这个文件,打开这个文件后把max_allowed_packet = 1M 中的参数值1M改为4M,如果没有这个参数那么直接添加这行max_allowed_packet = 4M 就搞定了 添加完重启mysql数据库,重启命令是service mysqld restart…

解决方法: 打开控制台,输入下面语句,执行 set global max_allowed_packet = 20*1024*1024; 网上说要重启 mysql server, 我是执行完后不用重启就可以了.如果不行的请连到 数据库服务器重启服务…

服务器的日志一直报Packet for query is too large (7632997 > 4194304). You can change this value on the server by setting the max_allowed_packet' variable.的解决方法 最近服务器上的项目老是频繁的就崩掉了,重启之后过了一晚第二天来就又挂了,查看tomcat的日志有报内存溢出的错误,还有报Packet for query is too large (7632997 >…

MYSQL Packet for query is too large (12054240 > 4194304). You can change this value on the server by setting the max_allowed_packet' variable. https://www.cnblogs.com/grasshopper/p/7098987.html mysql max_allowed_packet查询和修改 - 水晶糖 - 博客园https://www.cnb…

### 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…

HTTP Status 500 - type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request. exception org.hibernate.exception.GenericJDBCException: could not execute query org.hibernate.exce…

看错误信息,发现1048576个字节,正好是1*1024*1024byte,也就是1Mb. 这正是mysql默认的max_allowed_packet值. 使用sql语句: show VARIABLES like '%max_allowed_packet%' 可以查询到相应的max_allowed_packet值 需要在/etc/my.cnf配置文件中mysqld字段下进行设置: max_allowed_packet = 20M 重启mysql服务: service mysqld restart…

### 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 t…