如果在步骤一中测试连接时出现报错信息 “The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.”,则需要进行以下操作: 在连接配置的 “高级” 选项卡中,找到 “额外的连接属性”。 点击“编辑” 按钮,在弹出的编辑框中添加以下属...
数据库:OceanBase 用户名:root@租户c1(集群名) 是直接用mysql进行连接的,驱动也是mysql-5.7.19 测试连接出的错误: 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 Conn...
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. 我花了几天时间解决这个问题。我已经测试了不同网站中提到的许多方法,但是没有一种有效。...
when i change the port to 33060 DBeaver says : 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. Can not read response from server. Expected to read 4 bytes, read 0 bytes before conne...
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. Can not read response from server. Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost. Can not read response from server. Expected to ...
com.mysql.jdbc.Driver 接続エラー「Connection refused: connect」 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 ...
Description 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. java.security.cert.CertPathValidatorException: Path does not chain w...
所以是c1 测试连接出的错误: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 1006×368 20.8 KB 791×802 26.5 KB ...
由于生产环境限制了数据库只能本地连接, 开放IP的限制,要修改bind-address配置和关闭防火墙,重启数据库等操作,非常的麻烦,并且连接失败也不知道是什么原因。 但使用dbeaver,如果有管理员权限,可轻松解决这个问题。 我使用的mysql 版本 mysql Ver 14.14 Distrib 5.7.25, forLinux(x86_64) using EditLine wrapper ...
My connection settings:Server Host: 127.0.0.1Port: 3306Username: database usernamePassword: database password Network:Host/IP:myIPaddressPort: 22User Name: hostnameAuthentification Method: Public KeyPrivate Key: ….ssh\id_rsa What am I doing wrong here?