HTTP Status 500 - Request processing failed; nested exception is org.apache.ibatis.builder.IncompleteElementException: Could not find parameter map com.mmall.dao.UserMapper.map

type Exception report

message Request processing failed; nested exception is org.apache.ibatis.builder.IncompleteElementException: Could not find parameter map com.mmall.dao.UserMapper.map

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.builder.IncompleteElementException: Could not find parameter map com.mmall.dao.UserMapper.map
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:943)
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:833)
javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:807)
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:88)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:108)

root cause

org.apache.ibatis.builder.IncompleteElementException: Could not find parameter map com.mmall.dao.UserMapper.map
org.apache.ibatis.builder.MapperBuilderAssistant.getStatementParameterMap(MapperBuilderAssistant.java:320)
org.apache.ibatis.builder.MapperBuilderAssistant.addMappedStatement(MapperBuilderAssistant.java:296)
org.apache.ibatis.builder.xml.XMLStatementBuilder.parseStatementNode(XMLStatementBuilder.java:109)
org.apache.ibatis.session.Configuration.buildAllStatements(Configuration.java:760)
org.apache.ibatis.session.Configuration.hasStatement(Configuration.java:730)
org.apache.ibatis.session.Configuration.hasStatement(Configuration.java:725)
org.apache.ibatis.binding.MapperMethod$SqlCommand.<init>(MapperMethod.java:210)
org.apache.ibatis.binding.MapperMethod.<init>(MapperMethod.java:48)
org.apache.ibatis.binding.MapperProxy.cachedMapperMethod(MapperProxy.java:59)
org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:52)
com.sun.proxy.$Proxy20.checkUsername(Unknown Source)
com.mmall.service.impl.UserServiceImpl.login(UserServiceImpl.java:25)
com.mmall.controller.portal.UserController.login(UserController.java:40)
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.invoke(InvocableHandlerMethod.java:214)
org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132)
org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:748)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:689)
org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:83)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:945)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:876)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:931)
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:833)
javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:807)
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:88)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:108)

root cause

java.lang.IllegalArgumentException: Parameter Maps collection does not contain value for com.mmall.dao.UserMapper.map
org.apache.ibatis.session.Configuration$StrictMap.get(Configuration.java:860)
org.apache.ibatis.session.Configuration.getParameterMap(Configuration.java:632)
org.apache.ibatis.builder.MapperBuilderAssistant.getStatementParameterMap(MapperBuilderAssistant.java:318)
org.apache.ibatis.builder.MapperBuilderAssistant.addMappedStatement(MapperBuilderAssistant.java:296)
org.apache.ibatis.builder.xml.XMLStatementBuilder.parseStatementNode(XMLStatementBuilder.java:109)
org.apache.ibatis.session.Configuration.buildAllStatements(Configuration.java:760)
org.apache.ibatis.session.Configuration.hasStatement(Configuration.java:730)
org.apache.ibatis.session.Configuration.hasStatement(Configuration.java:725)
org.apache.ibatis.binding.MapperMethod$SqlCommand.<init>(MapperMethod.java:210)
org.apache.ibatis.binding.MapperMethod.<init>(MapperMethod.java:48)
org.apache.ibatis.binding.MapperProxy.cachedMapperMethod(MapperProxy.java:59)
org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:52)
com.sun.proxy.$Proxy20.checkUsername(Unknown Source)
com.mmall.service.impl.UserServiceImpl.login(UserServiceImpl.java:25)
com.mmall.controller.portal.UserController.login(UserController.java:40)
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.invoke(InvocableHandlerMethod.java:214)
org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132)
org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:748)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:689)
org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:83)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:945)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:876)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:931)
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:833)
javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:807)
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:88)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:108)

note The full stack trace of the root cause is available in the Apache Tomcat/7.0.47 logs.