报错：Invalid bound statement (not found)

报错：Invalid bound statement (not found)

具体报错如下：

java.lang.reflect.InvocationTargetException

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

at java.lang.reflect.Method.invoke(Unknown Source)

at com.yuan.sm.global.DispatcherServlet.service(DispatcherServlet.java:69)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)

at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)

at com.yuan.sm.global.EncodingFilter.doFilter(EncodingFilter.java:24)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)

at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)

at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)

at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)

at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)

at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)

at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:956)

at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)

at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:423)

at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1079)

at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:625)

at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2522)

at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2511)

at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)

at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)

at java.lang.Thread.run(Unknown Source)

Caused by: org.apache.ibatis.binding.BindingException: Invalid bound statement (not found): com.yuan.sm.dao.DepartmentDao.selectAll

at org.apache.ibatis.binding.MapperMethod$SqlCommand.<init>(MapperMethod.java:225)

at org.apache.ibatis.binding.MapperMethod.<init>(MapperMethod.java:48)

at org.apache.ibatis.binding.MapperProxy.cachedMapperMethod(MapperProxy.java:65)

at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:58)

at com.sun.proxy.$Proxy22.selectAll(Unknown Source)

at com.yuan.sm.service.Impl.DepartmentServiceImpl.findAll(DepartmentServiceImpl.java:36)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

at java.lang.reflect.Method.invoke(Unknown Source)

at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:344)

at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:197)

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163)

at org.springframework.transaction.interceptor.TransactionInterceptor$$Lambda$51/304759938.proceedWithInvocation(Unknown Source)

at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:294)

at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:98)

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185)

at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185)

at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212)

at com.sun.proxy.$Proxy23.findAll(Unknown Source)

at com.yuan.sm.controller.DepartmentController.list(DepartmentController.java:23)

... 29 more

java.lang.reflect.InvocationTargetException

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

at java.lang.reflect.Method.invoke(Unknown Source)

at com.yuan.sm.global.DispatcherServlet.service(DispatcherServlet.java:69)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)

at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)

at com.yuan.sm.global.EncodingFilter.doFilter(EncodingFilter.java:24)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)

at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)

at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)

at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)

at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)

at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)

at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:956)

at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)

at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:423)

at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1079)

at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:625)

at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2522)

at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2511)

at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)

at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)

at java.lang.Thread.run(Unknown Source)

Caused by: org.apache.ibatis.binding.BindingException: Invalid bound statement (not found): com.yuan.sm.dao.DepartmentDao.selectAll

at org.apache.ibatis.binding.MapperMethod$SqlCommand.<init>(MapperMethod.java:225)

at org.apache.ibatis.binding.MapperMethod.<init>(MapperMethod.java:48)

at org.apache.ibatis.binding.MapperProxy.cachedMapperMethod(MapperProxy.java:65)

at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:58)

at com.sun.proxy.$Proxy22.selectAll(Unknown Source)

at com.yuan.sm.service.Impl.DepartmentServiceImpl.findAll(DepartmentServiceImpl.java:36)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

at java.lang.reflect.Method.invoke(Unknown Source)

at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:344)

at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:197)

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163)

at org.springframework.transaction.interceptor.TransactionInterceptor$$Lambda$51/304759938.proceedWithInvocation(Unknown Source)

at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:294)

at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:98)

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185)

at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185)

at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212)

at com.sun.proxy.$Proxy23.findAll(Unknown Source)

at com.yuan.sm.controller.DepartmentController.list(DepartmentController.java:23)

... 29 more

DepartmentDao.xml

<?xml version="1.0" encoding="utf-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.4//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.yuan.sm.dao.DepartmentDao">
    <resultMap id="resultMap" type="Department">
        <id property="id" column="id" javaType="Integer"/>
        <result property="name" column="name" javaType="String"/>
        <result property="address" column="address" javaType="String"/>
    </resultMap>

    <insert id="insert" parameterType="Department" useGeneratedKeys="true">
        insert into department(name,address) values(#{name},#{address})
    </insert>
    <delete id="delete" parameterType="Integer">
        delete from department where id=#{id}
    </delete>
    <update id="update" parameterType="Department">
        update department set name=#{name},address=#{address} where id=#{id}
    </update>
    <select id="selectById" parameterType="Integer" resultMap="resultMap">
        select * from department where id=#{id}
    </select>
    <select id="selectAll" resultMap="resultMap">
        select * from department
    </select>
</mapper>

DepartmentDao.java

package com.yuan.sm.dao;

import com.yuan.sm.entity.Department;
import org.apache.ibatis.annotations.Mapper;
import org.springframework.stereotype.Repository;

import java.util.List;

@Repository("departmentDao")
public interface DepartmentDao {

    /**
     * 添加部门记录
     * @param department
     */
    void insert(Department department);

    /**
     * 修改部门记录
     * @param department
     */
    void update(Department department);

    /**
     * 通过编号删除部门记录
     * @param id
     */
    void delete(Integer id);

    /**
     * 通过编号查询部门记录
     * @param id
     * @return
     */
    Department selectById(Integer id);

    /**
     * 查询所有部门记录
     * @return
     */
    List<Department> selectAll();
}

xml文件中最后的select标签的属性id值和Dao接口中的方法名是一致的啊，怎么会找不到呢？
源自我心 2018-04-24
源自：项目：人员管理系统开发   4-3 部门管理实现-界面
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4回答
提问者 源自我心 2018-04-27 00:21:15

首先，谢谢各位同学和老师的热心解答！我已经找出我出错的原因了，具体原因如下：

在resources文件夹下创建存放DepartmentDao.xml映射文件的目录时，错把一级目录当成三级目录用了；

在创建目录时直接用“com.yuan.sm.dao”当作目录名，这其实只是一个一级目录，并不是三级目录；

在创建目录时直接用“com/yuan/sm/dao”当作目录名，创建出来的才是一个三级目录；


2
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  • 提问者 源自我心 #1
    上面口误，请把“三级目录”改成“四级目录”！谢谢！
    2018-04-27 00:24:20
Mr丶azhang 2018-04-25 17:25:38

我报错都找两天了，甚至直接贴源代码也是报错，搞的心烦，想跳过了都

0
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  • 一叶知秋519 #1
    同学如果有问题的话，可以在问答区进行提问，提问时记得清晰描述你的问题，并附上相关代码，代码粘贴不要截图，会有助教老师帮助你解答问题的。祝学习愉快！
    2018-04-26 09:30:16
  • 提问者 源自我心 #2
    不要放弃，我这个错误也找了一天半了，有些别人没犯过的且非常细微的错误的确需要时间去找！加油！相信自己！
    2018-04-27 00:26:46
Mr丶azhang 2018-04-25 17:16:37

你是不是请求toAdd.do页面是请求错误，出现这样的报错，我就是这样的

0
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一叶知秋519 2018-04-24 18:28:11

我把你的代码贴到源码中运行了一下，没有出现你提到的报错。建议同学再重新启动一下项目试下~~

0
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  • 提问者 源自我心 #1
    已经尝试了很多次，依然如此
    2018-04-24 18:46:59
  • 一叶知秋519 回复 提问者 源自我心 #2
    建议同学把DepartmentServiceImpl类贴一下~~
    2018-04-24 19:06:36
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