spring获取Druid连接池调用init方法失败

Question

报错：2月 03, 2022 5:28:12 下午 org.springframework.context.support.AbstractApplicationContext refresh
警告: Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in class path resource [applicationContext.xml]: Invocation of init method failed; nested exception is org.springframework.core.NestedIOException: Failed to parse config resource: class path resource [mybits-config.xml]; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Cause: org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. The XML location is 'org/example/dao/StudentDao.xml'. Cause: org.apache.ibatis.builder.BuilderException: Wrong namespace. Expected 'org.example.dao.StudentDao' but found 'org.example.dao.studentDao'.
代码：

Answer 1

studentDao文件名称的student的首字母s改为大写字母S即可（StudentDao）。