java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES)

    at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:965)

    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3976)

    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3912)

    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:871)

    at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1714)

    at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1224)

    at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2190)

    at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2221)

    at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2016)

    at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:776)

    at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)

    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)

    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)

    at java.lang.reflect.Constructor.newInstance(Constructor.java:423)

    at com.mysql.jdbc.Util.handleNewInstance(Util.java:425)

    at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:386)

    at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:330)

    at java.sql.DriverManager.getConnection(DriverManager.java:664)

    at java.sql.DriverManager.getConnection(DriverManager.java:247)

    at com.baomidou.mybatisplus.generator.config.DataSourceConfig.getConn(DataSourceConfig.java:191)

    at com.baomidou.mybatisplus.generator.config.builder.ConfigBuilder.handlerDataSource(ConfigBuilder.java:269)

    at com.baomidou.mybatisplus.generator.config.builder.ConfigBuilder.<init>(ConfigBuilder.java:132)

    at com.baomidou.mybatisplus.generator.AutoGenerator.execute(AutoGenerator.java:92)

    at com.nums.industry5.MyGenerator.main(MyGenerator.java:135)

Exception in thread "main" java.lang.NullPointerException

    at com.baomidou.mybatisplus.generator.config.builder.ConfigBuilder.getTablesInfo(ConfigBuilder.java:457)

    at com.baomidou.mybatisplus.generator.config.builder.ConfigBuilder.handlerStrategy(ConfigBuilder.java:281)

    at com.baomidou.mybatisplus.generator.config.builder.ConfigBuilder.<init>(ConfigBuilder.java:142)

    at com.baomidou.mybatisplus.generator.AutoGenerator.execute(AutoGenerator.java:92)

    at com.nums.industry5.MyGenerator.main(MyGenerator.java:135)

skip-grant-tables