HTTP Status 500 - Request processing failed; nested exception is org.apache.ibatis.binding.BindingEx

╰+攻爆jí腚メ 2022-04-16 03:26 178阅读 0赞

常见的错误，这个是页面上的错误

HTTP Status 500 - Request processing failed; nested exception is org.apache.ibatis.binding.BindingException: Invalid bound statement (not found): cn.e3mall.mapper.TbItemMapper.selectByExample
    type Exception report
    
    message Request processing failed; nested exception is org.apache.ibatis.binding.BindingException: Invalid bound statement (not found): cn.e3mall.mapper.TbItemMapper.selectByExample
    
    description The server encountered an internal error that prevented it from fulfilling this request.
    
    exception
    
    org.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.apache.ibatis.binding.BindingException: Invalid bound statement (not found): cn.e3mall.mapper.TbItemMapper.selectByExample
    	org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:981)
    	org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:860)
    	javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
    	org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:845)
    	javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
    	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
    	org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:121)
    	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    root cause
    
    org.apache.ibatis.binding.BindingException: Invalid bound statement (not found): cn.e3mall.mapper.TbItemMapper.selectByExample
    	org.apache.ibatis.binding.MapperMethod$SqlCommand.<init>(MapperMethod.java:189)
    	org.apache.ibatis.binding.MapperMethod.<init>(MapperMethod.java:43)
    	org.apache.ibatis.binding.MapperProxy.cachedMapperMethod(MapperProxy.java:58)
    	org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:51)
    	com.sun.proxy.$Proxy30.selectByExample(Unknown Source)
    	cn.e3mall.service.impl.ItemServiceImpl.getItemById(ItemServiceImpl.java:37)
    	sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    	sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    	sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    	java.lang.reflect.Method.invoke(Method.java:606)
    	org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:302)
    	org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
    	org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
    	org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99)
    	org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281)
    	org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)
    	org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
    	org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)
    	org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
    	org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:208)
    	com.sun.proxy.$Proxy33.getItemById(Unknown Source)
    	cn.e3mall.controller.ItemController.getItemById(ItemController.java:28)
    	sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    	sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    	sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    	java.lang.reflect.Method.invoke(Method.java:606)
    	org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:222)
    	org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137)
    	org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110)
    	org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:814)
    	org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:737)
    	org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
    	org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959)
    	org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893)
    	org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:969)
    	org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:860)
    	javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
    	org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:845)
    	javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
    	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
    	org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:121)
    	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    note The full stack trace of the root cause is available in the Apache Tomcat/7.0.47 logs.
    
    Apache Tomcat/7.0.47

编译器的错误如下：

[INFO] Scanning for projects...
    [INFO] ------------------------------------------------------------------------
    [INFO] Reactor Build Order:
    [INFO] 
    [INFO] e3-manager
    [INFO] e3-manager-pojo
    [INFO] e3-manager-dao
    [INFO] e3-manager-interface
    [INFO] e3-manager-service
    [INFO] e3-manager-web
    [INFO]                                                                         
    [INFO] ------------------------------------------------------------------------
    [INFO] Building e3-manager 0.0.1-SNAPSHOT
    [INFO] ------------------------------------------------------------------------
    [INFO] 
    [INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ e3-manager ---
    [INFO] 
    [INFO] >>> tomcat7-maven-plugin:2.2:run (default-cli) > process-classes @ e3-manager >>>
    [INFO] 
    [INFO] <<< tomcat7-maven-plugin:2.2:run (default-cli) < process-classes @ e3-manager <<<
    [INFO] 
    [INFO] --- tomcat7-maven-plugin:2.2:run (default-cli) @ e3-manager ---
    [INFO] Skipping non-war project
    [INFO]                                                                         
    [INFO] ------------------------------------------------------------------------
    [INFO] Building e3-manager-pojo 0.0.1-SNAPSHOT
    [INFO] ------------------------------------------------------------------------
    [INFO] 
    [INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ e3-manager-pojo ---
    [INFO] Deleting E:\Eclipse32\e3-manager\e3-manager-pojo\target
    [INFO] 
    [INFO] >>> tomcat7-maven-plugin:2.2:run (default-cli) > process-classes @ e3-manager-pojo >>>
    [INFO] 
    [INFO] --- maven-resources-plugin:2.7:resources (default-resources) @ e3-manager-pojo ---
    [INFO] Using 'UTF-8' encoding to copy filtered resources.
    [INFO] Copying 0 resource
    [INFO] 
    [INFO] --- maven-compiler-plugin:3.2:compile (default-compile) @ e3-manager-pojo ---
    [INFO] Changes detected - recompiling the module!
    [INFO] Compiling 22 source files to E:\Eclipse32\e3-manager\e3-manager-pojo\target\classes
    [INFO] 
    [INFO] <<< tomcat7-maven-plugin:2.2:run (default-cli) < process-classes @ e3-manager-pojo <<<
    [INFO] 
    [INFO] --- tomcat7-maven-plugin:2.2:run (default-cli) @ e3-manager-pojo ---
    [INFO] Skipping non-war project
    [INFO]                                                                         
    [INFO] ------------------------------------------------------------------------
    [INFO] Building e3-manager-dao 0.0.1-SNAPSHOT
    [INFO] ------------------------------------------------------------------------
    [INFO] 
    [INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ e3-manager-dao ---
    [INFO] Deleting E:\Eclipse32\e3-manager\e3-manager-dao\target
    [INFO] 
    [INFO] >>> tomcat7-maven-plugin:2.2:run (default-cli) > process-classes @ e3-manager-dao >>>
    [INFO] 
    [INFO] --- maven-resources-plugin:2.7:resources (default-resources) @ e3-manager-dao ---
    [INFO] Using 'UTF-8' encoding to copy filtered resources.
    [INFO] Copying 0 resource
    [INFO] 
    [INFO] --- maven-compiler-plugin:3.2:compile (default-compile) @ e3-manager-dao ---
    [INFO] Changes detected - recompiling the module!
    [INFO] Compiling 11 source files to E:\Eclipse32\e3-manager\e3-manager-dao\target\classes
    [INFO] 
    [INFO] <<< tomcat7-maven-plugin:2.2:run (default-cli) < process-classes @ e3-manager-dao <<<
    [INFO] 
    [INFO] --- tomcat7-maven-plugin:2.2:run (default-cli) @ e3-manager-dao ---
    [INFO] Skipping non-war project
    [INFO]                                                                         
    [INFO] ------------------------------------------------------------------------
    [INFO] Building e3-manager-interface 0.0.1-SNAPSHOT
    [INFO] ------------------------------------------------------------------------
    [INFO] 
    [INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ e3-manager-interface ---
    [INFO] Deleting E:\Eclipse32\e3-manager\e3-manager-interface\target
    [INFO] 
    [INFO] >>> tomcat7-maven-plugin:2.2:run (default-cli) > process-classes @ e3-manager-interface >>>
    [INFO] 
    [INFO] --- maven-resources-plugin:2.7:resources (default-resources) @ e3-manager-interface ---
    [INFO] Using 'UTF-8' encoding to copy filtered resources.
    [INFO] Copying 0 resource
    [INFO] 
    [INFO] --- maven-compiler-plugin:3.2:compile (default-compile) @ e3-manager-interface ---
    [INFO] Changes detected - recompiling the module!
    [INFO] Compiling 1 source file to E:\Eclipse32\e3-manager\e3-manager-interface\target\classes
    [INFO] 
    [INFO] <<< tomcat7-maven-plugin:2.2:run (default-cli) < process-classes @ e3-manager-interface <<<
    [INFO] 
    [INFO] --- tomcat7-maven-plugin:2.2:run (default-cli) @ e3-manager-interface ---
    [INFO] Skipping non-war project
    [INFO]                                                                         
    [INFO] ------------------------------------------------------------------------
    [INFO] Building e3-manager-service 0.0.1-SNAPSHOT
    [INFO] ------------------------------------------------------------------------
    [INFO] 
    [INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ e3-manager-service ---
    [INFO] Deleting E:\Eclipse32\e3-manager\e3-manager-service\target
    [INFO] 
    [INFO] >>> tomcat7-maven-plugin:2.2:run (default-cli) > process-classes @ e3-manager-service >>>
    [INFO] 
    [INFO] --- maven-resources-plugin:2.7:resources (default-resources) @ e3-manager-service ---
    [INFO] Using 'UTF-8' encoding to copy filtered resources.
    [INFO] Copying 0 resource
    [INFO] 
    [INFO] --- maven-compiler-plugin:3.2:compile (default-compile) @ e3-manager-service ---
    [INFO] Changes detected - recompiling the module!
    [INFO] Compiling 1 source file to E:\Eclipse32\e3-manager\e3-manager-service\target\classes
    [INFO] 
    [INFO] <<< tomcat7-maven-plugin:2.2:run (default-cli) < process-classes @ e3-manager-service <<<
    [INFO] 
    [INFO] --- tomcat7-maven-plugin:2.2:run (default-cli) @ e3-manager-service ---
    [INFO] Skipping non-war project
    [INFO]                                                                         
    [INFO] ------------------------------------------------------------------------
    [INFO] Building e3-manager-web 0.0.1-SNAPSHOT
    [INFO] ------------------------------------------------------------------------
    [INFO] 
    [INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ e3-manager-web ---
    [INFO] Deleting E:\Eclipse32\e3-manager\e3-manager-web\target
    [INFO] 
    [INFO] >>> tomcat7-maven-plugin:2.2:run (default-cli) > process-classes @ e3-manager-web >>>
    [INFO] 
    [INFO] --- maven-resources-plugin:2.7:resources (default-resources) @ e3-manager-web ---
    [INFO] Using 'UTF-8' encoding to copy filtered resources.
    [INFO] Copying 6 resources
    [INFO] 
    [INFO] --- maven-compiler-plugin:3.2:compile (default-compile) @ e3-manager-web ---
    [INFO] Changes detected - recompiling the module!
    [INFO] Compiling 1 source file to E:\Eclipse32\e3-manager\e3-manager-web\target\classes
    [INFO] 
    [INFO] <<< tomcat7-maven-plugin:2.2:run (default-cli) < process-classes @ e3-manager-web <<<
    [INFO] 
    [INFO] --- tomcat7-maven-plugin:2.2:run (default-cli) @ e3-manager-web ---
    [INFO] Running war on http://localhost:8080/
    [INFO] Creating Tomcat server configuration at E:\Eclipse32\e3-manager\e3-manager-web\target\tomcat
    [INFO] create webapp with contextPath: 
    十一月 16, 2018 10:45:41 上午 org.apache.coyote.AbstractProtocol init
    信息: Initializing ProtocolHandler ["http-bio-8080"]
    十一月 16, 2018 10:45:41 上午 org.apache.catalina.core.StandardService startInternal
    信息: Starting service Tomcat
    十一月 16, 2018 10:45:41 上午 org.apache.catalina.core.StandardEngine startInternal
    信息: Starting Servlet Engine: Apache Tomcat/7.0.47
    十一月 16, 2018 10:45:49 上午 org.apache.catalina.core.ApplicationContext log
    信息: No Spring WebApplicationInitializer types detected on classpath
    十一月 16, 2018 10:45:49 上午 org.apache.catalina.core.ApplicationContext log
    信息: Initializing Spring root WebApplicationContext
    log4j:WARN No appenders could be found for logger (org.springframework.web.context.ContextLoader).
    log4j:WARN Please initialize the log4j system properly.
    log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
    十一月 16, 2018 10:45:52 上午 org.apache.catalina.core.ApplicationContext log
    信息: Initializing Spring FrameworkServlet 'e3-manager'
    十一月 16, 2018 10:45:53 上午 org.apache.coyote.AbstractProtocol start
    信息: Starting ProtocolHandler ["http-bio-8080"]
    十一月 16, 2018 10:46:57 上午 org.apache.catalina.core.StandardWrapperValve invoke
    严重: Servlet.service() for servlet [e3-manager] in context with path [] threw exception [Request processing failed; nested exception is org.apache.ibatis.binding.BindingException: Invalid bound statement (not found): cn.e3mall.mapper.TbItemMapper.selectByExample] with root cause
    org.apache.ibatis.binding.BindingException: Invalid bound statement (not found): cn.e3mall.mapper.TbItemMapper.selectByExample
    	at org.apache.ibatis.binding.MapperMethod$SqlCommand.<init>(MapperMethod.java:189)
    	at org.apache.ibatis.binding.MapperMethod.<init>(MapperMethod.java:43)
    	at org.apache.ibatis.binding.MapperProxy.cachedMapperMethod(MapperProxy.java:58)
    	at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:51)
    	at com.sun.proxy.$Proxy30.selectByExample(Unknown Source)
    	at cn.e3mall.service.impl.ItemServiceImpl.getItemById(ItemServiceImpl.java:37)
    	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.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:302)
    	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
    	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
    	at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99)
    	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281)
    	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)
    	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
    	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)
    	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
    	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:208)
    	at com.sun.proxy.$Proxy33.getItemById(Unknown Source)
    	at cn.e3mall.controller.ItemController.getItemById(ItemController.java:28)
    	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:222)
    	at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137)
    	at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110)
    	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:814)
    	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:737)
    	at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
    	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959)
    	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893)
    	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:969)
    	at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:860)
    	at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
    	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:845)
    	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:121)
    	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:312)
    	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)

简单地拿出一个片段：

严重: Servlet.service() for servlet [e3-manager] in context with path [] threw exception [Request processing failed; nested exception is org.apache.ibatis.binding.BindingException: Invalid bound statement (not found): cn.e3mall.mapper.TbItemMapper.selectByExample] with root cause
    org.apache.ibatis.binding.BindingException: Invalid bound statement (not found): cn.e3mall.mapper.TbItemMapper.selectByExample
    	at org.apache.ibatis.binding.MapperMethod$SqlCommand.<init>(MapperMethod.java:189)
    	at org.apache.ibatis.binding.MapperMethod.<init>(MapperMethod.java:43)
    	at org.apache.ibatis.binding.MapperProxy.cachedMapperMethod(MapperProxy.java:58)
    	at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:51)
    	at com.sun.proxy.$Proxy30.selectByExample(Unknown Source)
    	at cn.e3mall.service.impl.ItemServiceImpl.getItemById(ItemServiceImpl.java:37)
    	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)

在mybatis里面只找到了接口没有找到映射文件，即接口和映射文件不在同一个目录下面。相当于没有找到实现类。  
解决办法一：在e3-manger-dao下面的src/main/resources建立和映射文件一样的包，并且把映射文件复制过来。

方法二：在e3-manger-dao的pom文件中配置resources  
6.7.5.解决mapper绑定异常  
原因

此异常的原因是由于mapper接口编译后在同一个目录下没有找到mapper映射文件而出现的。由于maven工程在默认情况下src/main/java目录下的mapper文件是不发布到target目录下的。

解决方法  
在e3-manager-dao工程的pom文件中添加如下内容：

<build>
    	<resources>
            <resource>
                <directory>src/main/java</directory>
                <includes>
                    <include>**/*.properties</include>
                    <include>**/*.xml</include>
                </includes>
                <filtering>false</filtering>
            </resource>
        </resources>
    </build>

HTTP Status 500 - Request processing failed; nested exception is org.apache.ibatis.binding.BindingEx

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