使用mybatis-plus代碼生成器時報資料庫賬號或密碼錯誤例外

package generator;



import com.baomidou.mybatisplus.enums.IdType;

import com.baomidou.mybatisplus.generator.AutoGenerator;

import com.baomidou.mybatisplus.generator.config.DataSourceConfig;

import com.baomidou.mybatisplus.generator.config.GlobalConfig;

import com.baomidou.mybatisplus.generator.config.PackageConfig;

import com.baomidou.mybatisplus.generator.config.StrategyConfig;

import com.baomidou.mybatisplus.generator.config.rules.DbType;

import com.baomidou.mybatisplus.generator.config.rules.NamingStrategy;



/**

 * @Title: MpGenerator

 * @Description:mybatis-plus代碼生成器配置 

 * @author Hmoji

 * @date 2020年3月29日

 * @time 下午10:20:18

 */

public class MpGenerator {

	public static void main(String[] args) {

		GlobalConfig gb=new GlobalConfig();

		gb.setAuthor("Hmoji")

		.setBaseColumnList(true)

		.setBaseResultMap(true)

		.setFileOverride(true)

		.setIdType(IdType.ID_WORKER_STR)

		.setOutputDir("E:\\git_repo\\supermarket\\src\\main\\java");

		

		DataSourceConfig db=new DataSourceConfig();

		db.setDbType(DbType.MYSQL)

		.setDriverName("com.mysql.jdbc.Driver")

		.setUrl("jdbc:mysql://127.0.0.1:3306/supermarketmanage?useSSL=false&characterEncoding=UTF-8")

		.setUsername("root")

		.setPassword("123456");

		

		StrategyConfig st=new StrategyConfig();

		st.setCapitalMode(true)

		.setLogicDeleteFieldName("flag")

		.setNaming(NamingStrategy.underline_to_camel)

		.setTablePrefix("tbl_");

		

		PackageConfig pk=new PackageConfig();

		pk.setParent("com.hmoji");

		

		AutoGenerator auto=new AutoGenerator();

		auto.setDataSource(db)

		.setGlobalConfig(gb)

		.setPackageInfo(pk)

		.setStrategy(st);

		

		auto.execute();

	}

}

22:37:22.140 DEBUG com.baomidou.mybatisplus.generator.AutoGenerator 86 execute - ==========================準備生成檔案...==========================

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:3978)

	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3914)

	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:2199)

	at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2230)

	at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2025)

	at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:778)

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

	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)

	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)

	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:500)

	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:481)

	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/java.sql.DriverManager.getConnection(DriverManager.java:677)

	at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:228)

	at com.baomidou.mybatisplus.generator.config.DataSourceConfig.getConn(DataSourceConfig.java:170)

	at com.baomidou.mybatisplus.generator.config.builder.ConfigBuilder.handlerDataSource(ConfigBuilder.java:285)

	at com.baomidou.mybatisplus.generator.config.builder.ConfigBuilder.<init>(ConfigBuilder.java:137)

	at com.baomidou.mybatisplus.generator.AutoGenerator.execute(AutoGenerator.java:89)

	at generator.MpGenerator.main(MpGenerator.java:51)

?Exception in thread "main" ?java.lang.NullPointerException

?	at com.baomidou.mybatisplus.generator.config.builder.ConfigBuilder.getTablesInfo(ConfigBuilder.java:471)

	at com.baomidou.mybatisplus.generator.config.builder.ConfigBuilder.handlerStrategy(ConfigBuilder.java:299)

?	at com.baomidou.mybatisplus.generator.config.builder.ConfigBuilder.<init>(ConfigBuilder.java:144)

	at com.baomidou.mybatisplus.generator.AutoGenerator.execute(AutoGenerator.java:89)

	at generator.MpGenerator.main(MpGenerator.java:51)

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