java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: NO)

不知道怎么解决，网上查的方法都试过了没有用，我的application.properties

server.port=8090
mybatis.mapperLocations=classpath:mapping/*.xml

spring.datasource.name=secondkill
spring.datasource.url=jdbc:mysql://localhost:3306/miaosha
spring.datasource.username=root
spring.dataosource.password=

#使用druid数据源
spring.datasource.type=com.alibaba.druid.pool.DruidDataSource
spring.datasource.driverClassName=com.mysql.jdbc.Driver