线上环境调用合作公司接口突然出现这个异常，线上环境的代码最近都没有动过，询问对方人员，对方最近也没有动过，经过排除，发现是https的问题，把https改成http之后就可以了，这里的首先要确认对方的接口也是支持http的，最后经过排查，是对方最近证书更新问题导致的。等对方问题解决，记得把http改成https

javax.net.ssl.SSLException: Received fatal alert: internal_error
    at sun.security.ssl.Alerts.getSSLException(Alerts.java:208)
    at sun.security.ssl.Alerts.getSSLException(Alerts.java:154)
    at sun.security.ssl.SSLSocketImpl.recvAlert(SSLSocketImpl.java:2023)
    at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1125)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1375)
    at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1403)
    at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1387)
    at sun.net.www.protocol.https.HttpsClient.afterConnect(HttpsClient.java:559)
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:185)
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:153)