连接数据库时username冲突

在连接数据库时遇到的问题：Access denied for user 'ccccccc'@'localhost' (using password: YES)

测试连接MyTest：

public class MyTest {
    public static void main(String[] args) throws SQLException {
        ApplicationContext context = new ClassPathXmlApplicationContext("database.xml");
        DruidDataSource dataSource = context.getBean("dataSource", DruidDataSource.class);
        System.out.println(dataSource.getConnection());
    }
}

配置的database.xml文件：

<?xml version="1.0" encoding="UTF-8"?>

    
    

    
        
        
        
        
     

产生的异常：

严重: create connection SQLException, url: jdbc:mysql://127.0.0.1:3306/test?serverTimezone=UTC&useSSL=false, errorCode 1045, state 28000
java.sql.SQLException: Access denied for user 'ccccccc'@'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.(ConnectionImpl.java:778)
	at com.mysql.jdbc.JDBC4Connection.(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 com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1644)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1710)
	at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2753)

dbConfig.properties文件修改前：

username=root
password=123456
url=jdbc:mysql://127.0.0.1:3306/test?serverTimezone=UTC&useSSL=false
driverClassName=com.mysql.jdbc.Driver

dbConfig.properties文件修改后：

jdbc.username=root
password=123456
url=jdbc:mysql://127.0.0.1:3306/test?serverTimezone=UTC&useSSL=false
driverClassName=com.mysql.jdbc.Driver

xml文件也需修改：

<?xml version="1.0" encoding="UTF-8"?>

    
    

    
        
        
        
        
     

产生问题的原因：这是和主机名称username产生冲突了，修改即可

com.mysql.jdbc.JDBC4Connection@4b9e255