报错现象:

先贴一下完整的报错:

严重: Servlet.service() for servlet [springMVC] in context with path [] threw exception [Request processing failed; nested exception is org.apache.ibatis.binding.BindingException: Invalid bound statement (not found): com.userInfo.dao.IUserDao.checkUserInfo] with root cause
org.apache.ibatis.binding.BindingException: Invalid bound statement (not found): com.userInfo.dao.IUserDao.checkUserInfo
at org.apache.ibatis.binding.MapperMethod$SqlCommand.<init>(MapperMethod.java:223)
at org.apache.ibatis.binding.MapperMethod.<init>(MapperMethod.java:48)
at org.apache.ibatis.binding.MapperProxy.cachedMapperMethod(MapperProxy.java:59)
at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:52)
at com.sun.proxy.$Proxy32.checkUserInfo(Unknown Source)
at com.userInfo.service.Impl.LoginService.login(LoginService.java:55)
at com.userInfo.controller.LoginController.login(LoginController.java:33)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221)
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:136)
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:114)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738)
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:963)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:897)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1041)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:603)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)

at java.lang.Thread.run(Thread.java:745)


代码路径如下:

SSM整合报错org.apache.ibatis.binding.BindingException: Invalid bound statement

配置文件(applicationContext.xml):

<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<!--自动扫描mapping.xml文件 -->
<property name="mapperLocations" value="classpath*:com/**/dao/*.xml" />
<!-- 配置Mybatis的插件plugin 
<property name="plugins" ref="paginationInterceptor"></property>-->

<property name="plugins">
        <array>
          <bean class="com.github.pagehelper.PageHelper">
            <property name="properties">
              <value>
                dialect=mysql
                reasonable=true
              </value>
            </property>
          </bean>
          <bean class="com.system.interceptors.SqlInterceptor"></bean>
        </array>
      </property>
</bean>
<!-- DAO接口所在包名,Spring会自动查找其下的类 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="**.dao" />
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
</bean>
<!-- (事务管理)transaction manager -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource" />

</bean>

解决过程:

按照网上的解决方案都试过,没解决,尝试方案如下:

1.检查Mapper文件名是否和接口的名称一致. 
2.sqlMapConfig.xml中是否加载了配置文件. 
3:检查xml文件所在的package名称是否和interface对应的package名称一一对应 
4:检查xml文件的namespace是否和xml文件的package名称一一对应 
5:检查函数名称能否对应上 
6:去掉xml文件中的中文注释 

7:随意在xml文件中加一个空格或者空行然后保存

后来在浏览其他博客时受到启发,到target目录下去找看看是否有映射文件,去看确实没有:

SSM整合报错org.apache.ibatis.binding.BindingException: Invalid bound statement

可见只有.class文件,说明Maven在打包时没有将xml文件打包过去,我们知道Maven打包的配置都在pom.xml文件中,因此我们可将xml所在的路径配置进去,看看问题是否解决:

SSM整合报错org.apache.ibatis.binding.BindingException: Invalid bound statement

加上路径后重新运行一下,问题解决。

当然网上还有一个说法,跟eclipse编译器有关,如果这个配置没有作用的话,就需要指定需要打包的文件路径了,如:

SSM整合报错org.apache.ibatis.binding.BindingException: Invalid bound statement

后面的filtering配置一定要是true,之前试过配置为false,还是报相同的错误。


总结:

当报org.apache.ibatis.binding.BindingException: Invalid bound statement错误时,可按照以下顺序检查配置:

1.检查Mapper文件名是否和接口的名称一致. 
2.sqlMapConfig.xml中是否加载了配置文件. 
3:检查xml文件所在的package名称是否和interface对应的package名称一一对应 
4:检查xml文件的namespace是否和xml文件的package名称一一对应 

5:检查函数名称能否对应上 

6:检查pom.xml中是否将xml文件打包,因为在很多项目中xml配置文件和映射接口文件是在同一个目录dao下,一般配置maven只会打包resource目录下的xml文件,在java代码路径下的xml文件是不会打的,因此需要单独配置。

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