nested exception is org.apache.ibatis.exceptions.PersistenceException: \n### Error querying database

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最新推荐文章于 2025-04-09 15:48:38 发布

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在将项目部署到博客平台时遇到了数据库连接问题，具体表现为使用root用户尝试连接localhost的数据库时被拒绝，错误信息涉及到SpringJDBC和MyBatis，提示密码验证失败。可能的原因是数据库权限配置不正确或者用户名/密码错误。

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将项目部署到博客上出现错误，连接数据库失败，注意在本地运行和在服务器上数据库密码
nested exception is org.apache.ibatis.exceptions.PersistenceException: \n### Error querying database. Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLException: Access denied for user ‘root’@‘localhost’ (using password: YES)\n### The error may exist in class path resource [mapper/UserMapper.xml]\n### The error may involve com.example.demo.mapper.UserMapper.getUserByName\n### The error occurred while executing a query\n### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLException: Access denied for user ‘root’@‘localhost’ (using password: YES)",