【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.】的更多相关文章

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.

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…

【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…

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…

org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sent succ

数据库 没有开启  连接失败 org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseco…

解决Java程序连接mysql数据库出现CommunicationsException: Communications link failure错误的问题

一.背景 最近在家里捣鼓一个公司自己搭建的demo的时候,发现程序一启动就会出现CommunicationsException: Communications link failure错误,经过一番排查最后发现是数据库url写错造成的,这个过程中也对出现这个错误的解决思路有了一些自己的理解,现和大家分享.该错误的具体信息如下: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure…

Communications link failure异常解决

一,异常现象 com.bill99.inf.ibatis.DBException: queryForList error::sqlId=orgOrderAssetsMapping.queryModelOrgOrderAssetsMapping param:com.bill99.boss.domain.org.model.OrderAssetsMapping@51ab0a47 at com.bill99.inf.ibatis.SqlMapDao.queryForList(SqlMapDao.jav…

MySql的Communications link failure解决办法

在使用JDBC连接mysql时可能会遇到以下错误: 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 解决方法: 将 Str…

Mysql Communications link failure 问题的解决

问题现象 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. I spend some days to solve this…

mysql连接com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

现象:客户端连接服务器端mysql是没问题的,所有都木有问题,应用程序配置也没问题,但是连接就抛异常: 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 f…