SSLHandshakeException: No subjectAltNames on the certificate match

Hi,

Please suggest.

I have Upgraded from version 1.2.0 to 1.2.1 ,When i try to connect i'm getting this issue

**MqttException (0) - javax.net.ssl.SSLHandshakeException: No subjectAltNames on the certificate match**

Below is a log from mosquitto

**sslv3 alert certificate unknown**

Start by reproducing the connection failure while comparing versions 1.2.0 and 1.2.1, using the reported SSLHandshakeException and Mosquitto log as the observable result. Review the Java MQTT connection and TLS certificate-validation paths, then determine whether the behavior is a regression or a certificate configuration issue; the issue provides no file or test name.

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