Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.apache.ibatis.session.SqlSessionFactory]: Factory method 'sqlSessionFactory' threw exception; nested exception is org.springframework.core.NestedIOException: Failed to parse mapping resource: 'file [D:\hotel\Project\HotelManagementSystem\hms-dao\target\classes\mappers\RoomMapper.xml]'; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. The XML location is 'file [D:\hotel\Project\HotelManagementSystem\hms-dao\target\classes\mappers\RoomMapper.xml]'. Cause: java.lang.IllegalArgumentException: Mapped Statements collection already contains value for org.lin.hms.dao.RoomDAO.insertRoom. please check file
原因：java.lang.IllegalArgumentException：映射语句集合已包含 org.lin.hms.dao.RoomDAO.insertRoom 的值。请检查文件
命名重复了
- IllegalArgumentException Statements collection insertRoom containsillegalargumentexception statements collection statements collection contain mapped brandmapper collection contain itheima collect array_contains collect_list collect_set insertroom statements postgresql statements blocking check executequery statements statement produce illegalargumentexception illegalargumentexception程序