使用IDEA启动maven项目,报错连接MySQL数据库失败,尝试用IDEA的database插件,连接本地MySQL库(Windows10本机搭建)报错结果如下: [08S01] 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.io....
在m1 macOS 上运行 IDEA,通过 IDEA 连接虚拟机 CentOS 的 mysql。通过在 IDEA 配置对应版本的驱动,测试连接时直接提示连接失败。报错信息如下: 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. 看...
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.io.EOFException: Can not read response from server. Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost. ...
回答:当使用IntelliJ IDEA连接MySQL数据库时,可能会出现以下报错情况。下面我将提供一些可能的原因和解决方案: 报错信息:com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure 可能原因:数据库连接超时或网络问题。 解决方案: 检查数据库服务器是否正常运行,并确保网络连接正常。 增加连接超...
### Cause: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 634 milliseconds ago. The last packet sent successf 解决方法: 将url中的UseSSL中的true改为false...
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).
Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any...
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure &...
错误信息1: javax.net.ssl.SSLHandshakeException: No appropriate protocol (protocol is disabled or cipher suites are inappropriate) 错误信息2: Failed Copy Search Error Troubleshooting [08S01] Communications link failure The last packet successfully received from the server was 239 milliseconds...
同学,你的关键异常是 Communications link failure 按照这个思路网上查查~~ 0 回复 提问者 qq_残影_2 #1 感谢老师的解答,问题已经解决了。数据库配置照着你抄了,所以连接不上 回复 2017-09-14 10:06:22 Geely 回复 提问者 qq_残影_2 #2 哈哈好尴尬。。 回复 2017-09-14 10:13:51 Geely 回复...