Cause: java.sql.SQLException: Access denied for user 'root1'@'localhost' (using password: YES)

org.apache.ibatis.exceptions.PersistenceException:
Error querying database.  Cause: java.sql.SQLException: No suitable driver found for jdbc:dmysql://localhost:3306/MyBatis?useUnicode=true&characterEncoding=UTF8
The error may exist in mapper/usermapper.xml
The error may involve com.hl.mybatis.first.mapper.UserMapper.findUserByName
The error occurred while executing a query
Cause: java.sql.SQLException: No suitable driver found for jdbc:dmysql://localhost:3306/MyBatis?useUnicode=true&characterEncoding=UTF8
at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:150)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:141)
at org.apache.ibatis.binding.MapperMethod.executeForMany(MapperMethod.java:137)
at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:75)
at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:59)
at com.sun.proxy.$Proxy5.findUserByName(Unknown Source)
at com.hl.mybatis.first.test.UserMapperTest.testfindUserByName(UserMapperTest.java:61)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:148)
... 30 more