form form 태그 CommandName 질문입니다!

Question

form form 태그를 사용해 Controller로 값을 넘기려고 합니다.그런데 저런 에러가 나네요..제가 CommandName에 대해 잘못 알고 있는 걸까요??CommandName이 아닌 ModelAttribute 를 사용해도 똑같은 에러가 났습니다.그리고 Controller 매개변수 넣을 때 @ModelAttribute( 를 사용했는대도 같은 에러가 났습니다.. 어떤 문제일까요ㅜㅜㅜ부탁드립니다ㅜㅜㅜ MainController-------------------------------------------------------------------------------------------package com.my.controller; import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RequestMethod; @Controllerpublic class MainController { @RequestMapping(value = "/") //초기에 이쪽으로 보냄 public String Main() { System.out.println("메인"); return "login/loginform"; }}SessionController-------------------------------------------------------------------------------package com.my.controller; import java.io.IOException;import java.io.PrintWriter;import java.util.List; import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse; import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Controller;import org.springframework.ui.Model;import org.springframework.validation.Errors;import org.springframework.web.bind.annotation.ModelAttribute;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RequestMethod; import com.my.bean.MemberBean;import com.my.service.SessionService; @Controllerpublic class SessionController { @Autowired private SessionService sessionService; public void setSessionService(SessionService sessionService) { this.sessionService = sessionService; } @RequestMapping(value = "login", method = RequestMethod.GET) public String loginGet() { System.out.println("login GET"); return "redirect:/"; } @RequestMapping(value = "login", method = RequestMethod.POST) public String loginPost(MemberBean m, Model model, HttpServletRequest request, Errors errors) throws IOException { System.out.println("login POST"); return "main/main"; } } Bean-------------------------------------------------------------------------------------------------package com.my.bean; public class MemberBean { private int mem_num; private String mem_id; private String mem_passward; public MemberBean() { super(); } public MemberBean(int mem_num, String mem_id, String mem_passward) { super(); this.mem_num = mem_num; this.mem_id = mem_id; this.mem_passward = mem_passward; } public int getMem_num() { return mem_num; } public void setMem_num(int mem_num) { this.mem_num = mem_num; } public String getMem_id() { return mem_id; } public void setMem_id(String mem_id) { this.mem_id = mem_id; } public String getmem_passward() { return mem_passward; } public void setmem_passward(String mem_passward) { this.mem_passward = mem_passward; }} JSP---------------------------------------------------------------------------------------------------<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%><%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%><%@ taglib prefix="form" uri="http://www.springframework.org/tags/form"%><%@ taglib prefix="spring" uri="http://www.springframework.org/tags"%>Insert title here

HTTP Status 500 – Internal Server ErrorType Exception ReportMessage An exception occurred processing [/WEB-INF/views/login/loginform.jsp] at line [66]Description The server encountered an unexpected condition that prevented it from fulfilling the request.Exceptionorg.apache.jasper.JasperException: An exception occurred processing [/WEB-INF/views/login/loginform.jsp] at line [66] 63: 64: --%> 65: 66: 67: 68: 69: Stacktrace: org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:593) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:477) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:386) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:330) javax.servlet.http.HttpServlet.service(HttpServlet.java:741) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:238) org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:262) org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1180) org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:950) org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852) org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882) org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:778) javax.servlet.http.HttpServlet.service(HttpServlet.java:634) javax.servlet.http.HttpServlet.service(HttpServlet.java:741) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88) org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) Root Causejava.lang.IllegalStateException: Neither BindingResult nor plain target object for bean name 'm' available as request attribute org.springframework.web.servlet.support.BindStatus.(BindStatus.java:141) org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.getBindStatus(AbstractDataBoundFormElementTag.java:178) org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.getPropertyPath(AbstractDataBoundFormElementTag.java:198) org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.getName(AbstractDataBoundFormElementTag.java:164) org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.autogenerateId(AbstractDataBoundFormElementTag.java:151) org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.resolveId(AbstractDataBoundFormElementTag.java:142) org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.writeDefaultAttributes(AbstractDataBoundFormElementTag.java:126) org.springframework.web.servlet.tags.form.AbstractHtmlElementTag.writeDefaultAttributes(AbstractHtmlElementTag.java:421) org.springframework.web.servlet.tags.form.InputTag.writeTagContent(InputTag.java:142) org.springframework.web.servlet.tags.form.AbstractFormTag.doStartTagInternal(AbstractFormTag.java:102) org.springframework.web.servlet.tags.RequestContextAwareTag.doStartTag(RequestContextAwareTag.java:79) org.apache.jsp.WEB_002dINF.views.login.loginform_jsp._jspx_meth_form_005finput_005f0(loginform_jsp.java:275) org.apache.jsp.WEB_002dINF.views.login.loginform_jsp._jspx_meth_form_005fform_005f0(loginform_jsp.java:229) org.apache.jsp.WEB_002dINF.views.login.loginform_jsp._jspService(loginform_jsp.java:176) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:741) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:444) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:386) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:330) javax.servlet.http.HttpServlet.service(HttpServlet.java:741) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:238) org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:262) org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1180) org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:950) org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852) org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882) org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:778) javax.servlet.http.HttpServlet.service(HttpServlet.java:634) javax.servlet.http.HttpServlet.service(HttpServlet.java:741) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88) org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) Note The full stack trace of the root cause is available in the server logs.

form form 태그 CommandName 질문입니다!

0개의 답변

#modelattribute 목록