ThingWorx 会话过期后，用户不会通过 SSO 重新进行身份验证

• ThingWorx 会话过期后，SSO（单点登录）不会重定向到表单登录
• 用户必须清除浏览器缓存才能恢复环境
• 用户在浏览器中收到以下错误消息

The system is currently encountering an authentication configuration error

Close the browser and try to login again. If the problem persists, contact your system administrator

• 安全日志中有以下错误

[L: ERROR] [O: S.c.t.s.a.AuthenticatorExceptionHandler] [I: ] [U: ] [S: ] [T: https-jsse-nio-8443-exec-2] [ Error validating SAML message ]‌[ Response doesn't have any valid assertion which would pass subject validation ]‌[ Authentication statement is too old to be used with value 2018-11-26T08:36:02.303Z ]
[ java.lang.NullPointerException: userName was null ]‌[ userName was null ]