In case someone else is trying to search for this error and can't get it figured out.
In trying to set up Owntracks ( http://owntracks.org/ ) I was running into an error on connection.
The error logs from Mosquitto:
1428534995: New connection from 10.10.10.1 on port 8883.
1428534995: OpenSSL Error: error:140D9115:SSL routines:SSL_GET_PREV_SESSION:session id context uninitialized
1428534995: Socket read error on client (null), disconnecting.
1428535258: New connection from 10.10.10.1 on port 8883.