Java连接Mysql数据库警告：Establishing SSL connection

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本文介绍了MySQL高版本中关于SSL连接的默认配置更改，并提供了解决方案：通过设置useSSL参数来启用或禁用SSL连接。

错误

Establishing SSL connection without server’s identity verification is not recommended. According to MySQL 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL connection must be established by default if explicit option isn’t set. For compliance with existing applications not using SSL the verifyServerCertificate property is set to ‘false’. You need either to explicitly disable SSL by setting useSSL=false, or set useSSL=true and provide truststore for server certificate verification.
原因

MySQL在高版本需要指明是否进行SSL连接
解决方案:

添加?useSSL=true
jdbc:mysql://localhost:3306/testdb?useSSL=true