MySQL版本过高，生成器无法连接到数据库

[ERROR]-[Thread: main]-[com.alibaba.druid.pool.DruidDataSource.init()]: init datasource error, url: jdbc:mysql://localhost/jfinal_test?useSSL=false
com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server.
 at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
 at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
 at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
 at java.lang.reflect.Constructor.newInstance(Unknown Source)
 at com.mysql.jdbc.Util.handleNewInstance(Util.java:404)
 at com.mysql.jdbc.Util.getInstance(Util.java:387)
 at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917)
 at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896)
 at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885)
 at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860)
 at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2332)
 at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2085)
 at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:795)
 at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:44)
 at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
 at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
 at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
 at java.lang.reflect.Constructor.newInstance(Unknown Source)
 at com.mysql.jdbc.Util.handleNewInstance(Util.java:404)
 at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:400)
 at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:327)
 at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1513)
 at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1578)
 at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:854)
 at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:1222)
 at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:1218)
 at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:90)
 at com.jfinal.plugin.activerecord.generator.MetaBuilder.build(MetaBuilder.java:90)
 at com.jfinal.plugin.activerecord.generator.Generator.generate(Generator.java:262)
 at com.demo.model._JFinalProjectGenerator.main(_JFinalProjectGenerator.java:43)
Caused by: java.lang.NullPointerException
 at com.mysql.jdbc.ConnectionImpl.getServerCharset(ConnectionImpl.java:3005)
 at com.mysql.jdbc.MysqlIO.sendConnectionAttributes(MysqlIO.java:1916)
 at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1845)
 at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1215)
 at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2255)
 at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2286)
 ... 19 more

2018-08-02 16:18:12
[ERROR]-[Thread: main]-[com.alibaba.druid.pool.DruidDataSource.init()]: {dataSource-1} init error
com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server.
 at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
 at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
 at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
 at java.lang.reflect.Constructor.newInstance(Unknown Source)
 at com.mysql.jdbc.Util.handleNewInstance(Util.java:404)
 at com.mysql.jdbc.Util.getInstance(Util.java:387)
 at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917)
 at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896)
 at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885)
 at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860)
 at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2332)
 at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2085)
 at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:795)
 at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:44)
 at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
 at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
 at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
 at java.lang.reflect.Constructor.newInstance(Unknown Source)
 at com.mysql.jdbc.Util.handleNewInstance(Util.java:404)
 at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:400)
 at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:327)
 at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1513)
 at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1578)
 at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:854)
 at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:1222)
 at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:1218)
 at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:90)
 at com.jfinal.plugin.activerecord.generator.MetaBuilder.build(MetaBuilder.java:90)
 at com.jfinal.plugin.activerecord.generator.Generator.generate(Generator.java:262)
 at com.demo.model._JFinalProjectGenerator.main(_JFinalProjectGenerator.java:43)
Caused by: java.lang.NullPointerException
 at com.mysql.jdbc.ConnectionImpl.getServerCharset(ConnectionImpl.java:3005)
 at com.mysql.jdbc.MysqlIO.sendConnectionAttributes(MysqlIO.java:1916)
 at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1845)
 at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1215)
 at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2255)
 at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2286)
 ... 19 more
Exception in thread "main" java.lang.RuntimeException: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server.
 at com.jfinal.plugin.activerecord.generator.MetaBuilder.build(MetaBuilder.java:102)
 at com.jfinal.plugin.activerecord.generator.Generator.generate(Generator.java:262)
 at com.demo.model._JFinalProjectGenerator.main(_JFinalProjectGenerator.java:43)
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server.
 at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
 at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
 at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
 at java.lang.reflect.Constructor.newInstance(Unknown Source)
 at com.mysql.jdbc.Util.handleNewInstance(Util.java:404)
 at com.mysql.jdbc.Util.getInstance(Util.java:387)
 at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917)
 at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896)
 at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885)
 at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860)
 at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2332)
 at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2085)
 at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:795)
 at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:44)
 at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
 at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
 at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
 at java.lang.reflect.Constructor.newInstance(Unknown Source)
 at com.mysql.jdbc.Util.handleNewInstance(Util.java:404)
 at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:400)
 at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:327)
 at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1513)
 at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1578)
 at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:854)
 at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:1222)
 at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:1218)
 at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:90)
 at com.jfinal.plugin.activerecord.generator.MetaBuilder.build(MetaBuilder.java:90)
 ... 2 more
Caused by: java.lang.NullPointerException
 at com.mysql.jdbc.ConnectionImpl.getServerCharset(ConnectionImpl.java:3005)
 at com.mysql.jdbc.MysqlIO.sendConnectionAttributes(MysqlIO.java:1916)
 at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1845)
 at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1215)
 at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2255)
 at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2286)
 ... 19 more


项目：JFinal

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