MqttException (0) – javax.net.ssl.SSLHandshakeException: com.android.org.bouncycastle.jce.exception.ExtCertPathValidatorException: Could not validate certificate: Certificate not valid until Fri Feb 28 09:25:13 GMT+08:00 2020 (compared to Mon Jan 21 17:46:42 GMT+08:00 2013)
SSL连接报错,原因是Android终端时间不对,和当前时间相差太大