【The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.】的更多相关文章

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.

今天项目中报了如下错误 The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. 查了下网上,都是说是mysql默认8小时关闭不用的连接.用数据库连接池导致的.可是项目中这个功能是用来导数据的,是动态连接,直接java jdbc 获取connection的,用完之后就关闭了.最后运维的人员查出来是i…

Communications link failure；；The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.

Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure::The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. 解决方案: mysql数据库url中添加了aut…

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. （关于jdbc）

The last packet sent successfully to the server was milliseconds ago. The driver has not received any packets from the server. 今天操作数据库较大数据库访问量的时候出现问题,大致是数据库连接缓冲池的问题,弄了半天的mysql (ubuntu). 解决办法: (1)使用JDBC URL中使用autoReconnect属性,url添加 &autoReconnect=true&a…

【异常】The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.

1 详细异常信息 The last packet sent successfully to the server was milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor35.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAcce…

mysql异常 ： The driver has not received any packets from the server.

异常: 结论:域名写错了或报这个异常…

MySql8.0数据库链接报错The driver has not received any packets from the server

1.我使用MySql数据库8.0版本,然后驱动改成了 jdbc.driver=com.mysql.cj.jdbc.Driver jdbc.url=jdbc:mysql://127.0.0.1:3306/seezoon-framework?useUnicode=true&useSSL=true&characterEncoding=utf8&autoReconnect=true&serverTimezone=GMT%2B8 jdbc.username=root jdbc.pas…

The driver has not received any packets from the server

解决方法: jdbc的url添加参数: jdbc.url=jdbc:mysql://localhost:3306/totosea?useUnicode=true&characterEncoding=UTF-8&autoReconnect=true&failOverReadOnly=false 在mysql的安装目录下找到my.ini中添加:将mysql回收空闲连接的时间变长,mysql默认回收时间是8小时 wait_timeout=31536000 interactive_time…

The last packet sent successfully to the server was 0 milliseconds ago.[nutch---mysql ]

今天在使用JDBC操作mysql时遇到下面的异常信息: 引用 The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.tomymap.galaxy.virgo.util.DbService.getConnection(DbService.java:66) at com.tomymap…

解决异常：“The last packet sent successfully to the server was 0 milliseconds ago. ”的办法

出现异常"The last packet sent successfully to the server was 0 milliseconds ago."的大部分原因是由于数据库回收了连接,而系统的缓冲池不知道,继续使用被回收的连接所致的. 以mysql为例: 第一种解决办法,就是将mysql回收空闲连接的时间变长,mysql默认回收时间是8小时,可以在mysql目录下的my.ini中增加下面配置,将时间改为1天. 单位是秒,最大好像是24天: [mysqld] wait_timeou…

The last packet successfully received from the server was 20,519 milliseconds ago. The last packet sent successfully to the server was 0 milliseconds ago.

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 the server was 20,519 milliseconds ago.  The last packet sent successfully to the server was 0 milliseconds…