org.apache.ibatis.binding.BindingException: Invalid bound statement (not found): com.yk.springboot.service.UserService.findAllUser

引用\[1\]:即错误信息为：nested exception is org.apache.ibatis.binding.BindingException: Invalid bound statement (not found): com.cloud.lowcode.mapper.UserMapper.queryByParam。引用\[3\]:总结解决 org.apache.ibatis.binding.BindingException: Invalid bound statement (not found)方法 问题背景：在做SpringBoot项目的时候，通过controller层调用service层的接口时出现了如下的报错 org.apache.ibatis.binding.BindingException: Invalid bound statement (not found): com.example.service.UserService.getById at org.apache.ibatis.binding.MapperMethod$SqlCommand.<init>(MapperMethod.java:235) ~\[mybatis-3.5.2.jar:3.5.2\] at com.baomidou.mybatisplus.core.override.MybatisMapperMethod.<init>(MybatisMapperMethod.java:49) ~\[mybatis-plus-core-3.2.0.jar:3.2.0\] at com.example.controller.UserController.obj(UserController.java:18) ~\[classes/:na\] 1.问题原因是由于dao层（也可以叫做mapper接口）跟mapper.xml文件没有映射，而大部分的原因有如下的几种类型： dao层的方法跟mapper.xml的方法不一样，mapper.xml中的namespace要写对应的dao层和entity层不一样，spring配置文件中mybatis与xml文件路径的配置没有写，导致无法映射成功，拼写错误导致。\[3\]根据你提供的错误信息，可以推断出你的问题是在调用com.yk.springboot.service.UserService.findAllUser方法时出现了org.apache.ibatis.binding.BindingException: Invalid bound statement (not found)的错误。这个错误通常是由于mapper接口与mapper.xml文件没有正确映射导致的。你可以检查以下几个方面来解决这个问题：1. 确保你的mapper接口中的方法名与mapper.xml文件中的statement id一致；2. 确保mapper.xml文件中的namespace与mapper接口的包路径一致；3. 检查你的spring配置文件中是否正确配置了mybatis与xml文件路径的映射关系；4. 检查你的代码中是否存在拼写错误。希望这些解决方法能够帮助你解决问题。
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