java.security.cert.CertPathValidatorException: Path does not chain with any of the trust anchors

java.security.cert.CertPathValidatorException: Path does not chain with any of the trust anchors 出现这个错误是因为URL中出现了useSSL=true，只需要改成false即可。
jdbc:mysql://localhost:3306/demo?useUnicode=true&characterEncoding=utf-8&serverTimezone=UTC&useSSL=true

java.security.cert.CertPathValidatorException: Path does not chain with any of the trust anchors最先出现在Python成神之路。