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MySQL server has gone away

时间: 2023-09-14 13:03:49 浏览: 99

解决MySQL server has gone away错误的方案

进入MySQL cmd mysql -u用户名 -p密码在我们使用mysql导入大文件sql时可能会报MySQL server has gone away错误，该问题是max_allowed_packet配置的默认值设置太小，只需要相应调大该项的值之后再次导入便能成功。该项的作用是限制mysql服务端接收到的包的大小，因此如果导入的文件过大则可能会超过该项设置的值从而导致导入不成功！下面我们来看一下如何查看以及设置该项的值。查看 max_allowed_packet 的值 show global variables like ‘max_allowed_packet’; +—————

This error message typically indicates that the MySQL server has closed the connection due to a long period of inactivity or a timeout. This can happen if the server is overloaded or if there are issues with the network connection. To resolve this issue, you can try the following: 1. Increase the value of the "wait_timeout" and "max_allowed_packet" variables in your MySQL configuration file. 2. Check your network connection and ensure that there are no issues with the firewall or other network settings. 3. Optimize your database queries and reduce the amount of data being transferred between the server and client. 4. Upgrade your MySQL server or switch to a more reliable database solution. If these steps do not resolve the issue, you may need to contact your hosting provider or database administrator for further assistance.

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