报错内容: javax.net.ssl.SSLException: Received fatal alert: protocol_version sun.security.ssl.Alerts.getSSLException(Alerts.java.208) sun.security.ssl.Alerts.getSSLException(Alerts.java.154) sun.security.ssl.SSLSocketImpl.recvAlert(SSLSocketImpl.java.2020) sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java.1127) sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java.1367) sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java.1395) sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java.1379) com.mysql.jdbc.ExportControlled.transformSocketToSSLSocket(ExportControlled.java.149) com.mysql.jdbc.MysqlIO.negotiateSSLConnection(MysqlIO.java.4894) com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java.1661) com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java.1228) com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java.2253) com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java.2284) com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java.2083) com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java.806) com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java.47) sun.reflect.GeneratedConstructorAccessor69.newInstance(null.-1) sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java.45) java.lang.reflect.Constructor.newInstance(Constructor.java.423) com.mysql.jdbc.Util.handleNewInstance(Util.java.404) com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java.410) com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java.328) com.fr.third.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java.1461) com.fr.third.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java.1525) com.fr.third.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java.2165)
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