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. No appropriate protocol (protocol is disabled or cipher suites are inappropriate). 2.原因 MySQL 服务器已启用SSL 协议,查看 show variables like...
docker 连接 SQL Server docker 连接数据库超时 今天在使用Apache ShardingSphere实现数据库读写分离功能,连接基于Docker的MySQL5.7 主从IP。SpringBoot程序提示如下错误信息: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException:Communications link failure 错误的原因:MySQL服务在长时间不连接之后断开了,断开之后的首次...
Caused by: java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ag...
最近在docker部署了一个Javaweb项目运行的环境,在容器中部署了mysql和Javaweb项目,但是本地可以跑项目,放到容器里面不行。 具体报错内容是不能访问数据库。 Could not get JDBC Connection; nested exception is com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure 最后终于找到问题了,是d...
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. 大概率是数据库配置有问题,很大可能就是数据库url配置的问题,对于数据库url要仔细检查
Invocation of init method failed; nested exception is com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure 很明显是mysql的链接问题,但是为什么会出现这种问题,问一下chatgot 说的很官方,没有什么实际作用,但是原理是相同的,要么是驱动程序问题,要么是网络问题,如果是驱动程序应该不可能...
// com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure // Caused by: java.net.ConnectException: Connection refused (Connection refused) // The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. ...
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. Connection refused: connect Connection refused: connect 10.1 进入容器内部 docker exec -it mysql /bin/bash ...
Exception: Error creating bean with name'dataSource'defined in class path resource [com/alibaba/druid/spring/boot/autoconfigure/DruidDataSourceAutoConfigure.class]: Invocation of init method failed; nested exception is com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure...
jeecg-boot-system | com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure jeecg-boot-system | jeecg-boot-system | The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. ...