云服务器部署API系统获取不到TOKEN

本地开发环境可以获取TIAPI的TOKEN,以下是报错,令牌地址:transact.ti.com/.../accesstoken

2024-09-02 12:01:10.732 [ERROR] c.u.m.e.ControllerExceptionAdvice : I/O error on POST request for "">transact.ti.com/.../accesstoken": sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target; nested exception is javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
org.springframework.web.client.ResourceAccessException: I/O error on POST request for "">transact.ti.com/.../accesstoken": sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target; nested exception is javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target