转载:https://blog.csdn.net/yaheng100/article/details/87875474 最近接手了一个SpringBoot+Mybatis+Mysql的JAVA爬虫项 ...
一 异常截图 com.mysql.jdbc.exceptions.jdbc .CommunicationsException: The last packet successfully received from the server was , , milliseconds ago. The last packet sent successfully to the server was , , ...
2022-03-16 10:20 0 743 推荐指数:
转载:https://blog.csdn.net/yaheng100/article/details/87875474 最近接手了一个SpringBoot+Mybatis+Mysql的JAVA爬虫项 ...
使用Connector/J连接MySQL数据库,程序运行较长时间后就会报以下错误: Communications link failure,The last packet successfully received from the server was * **millisecond ...
调试一个程序, 调试到一半, 下班回家, 程序卡在了某一行, 第二天早上回来一看, 发现了异常: 错误信息一大堆,其实就是 其实关键字是 timeouts, 也就是 mysql 的连接 超时了! 不用管, 重启就好了! ...
1 详细异常信息 2 自己是在Spark程序里面调用的mysql的程序,因为是分布式环境,所以不一定是在本机调用mysql连接 分布式环境 不要用localhost的配置,导致远程主机找不到 ...
本地升级了下MySQL的版本,从5.6升为5.7,数据文件直接拷贝的,项目查询数据库报错: Could not retrieve transation read-only status server The last packet successfully received from ...
在这里是因为在配置文件连接数据库的url不正确 仔细查看一下,是否跟数据库一样 ...
在链接数据库的时候,报错如下: The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. 上网 ...
© 版权声明:本文为博主原创文章,转载请注明出处 1.问题描述 搭建SSH框架,启动时报错如下: The last packet sent successfully to the server was 0 milliseconds ago. The driver has ...