Caused by: javax.net.ssl.SSLHandshakeException: No appropriate protocol
控制台信息:Causedby:com.mysql.cj.exceptions.CJCommunicationsException:CommunicationslinkfailureThelastpacketsentsuccessfullytotheserverwas0millisecondsago.Thedriverhasnotreceivedanypacketsfromtheserver.ats