Mon Jun 11 10:46:26 CST 2018 WARN: 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.
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使用jdbc连接数据库操作 会保持这样一条警告，虽然说不影响操作但是看起来不爽，只需要在url中加入useSSL=true 即可消除警告
url=jdbc:mysql://localhost:3306/mybase?useUnicode=true&characterEncoding=utf8&useSSL=true