spring mvc 求助，请高人指点 Neither BindingResult nor plain target object for bean name 'command' available as request attribute

[itservant]

web-config.xml

    <bean id="SBrandController"
          class="UEngine.Younext.Controller.SBrandController">
        <property name="commandClass"><value>UEngine.Younext.PO.BrandForm</value></property>
        <property name="cnUtil"><ref bean="CnUtil"/></property>
        <property name="sessionUtil"><ref bean="SessionUtil"/></property>
        <property name="userGlobalCheck"><ref bean="UserGlobalCheck"/></property>
        <property name="brandDAO"><ref bean="BrandDAO"/></property>
        <property name="brandAdd" value="brandAdd"/>
        <property name="brandMdy" value="brandMdy"/>
        <property name="brandList" value="brandList"/>
        <property name="redirectPage" value="login.do"/>
    </bean>

SBrandController.java

public class SBrandController extends SimpleFormController {
	CnUtil cnUtil;
	SessionUtil sessionUtil;
	UserGlobalCheck userGlobalCheck;
	IBrandDAO brandDAO;
	String brandAdd,brandMdy,brandList,redirectPage;
    
    public ModelAndView onSubmit(HttpServletRequest request, 
            HttpServletResponse response, 
            Object command, 
            BindException exception) 
                             throws Exception {
    	BrandForm brandForm = (BrandForm)command;
    	System.out.println("s start");
    	if(!this.getUserGlobalCheck().checkOnlineUser(request)){
        	return new ModelAndView(new RedirectView(this.getRedirectPage()));
        }
    	
    	int userViewID = 0;
    	
    	if(cnUtil.RidNull(brandForm.getBrandName()).length() > 50 || cnUtil.RidNull(brandForm.getBrandName()).length() <= 0){
    		System.out.println("e01");
    		return findModelAndView(brandForm.getSMethod(), exception, "品牌信息的合法长度为1 - 25个字符!");
    	}
    	if(cnUtil.RidNull(brandForm.getSMethod()).equalsIgnoreCase("add")){
    		if(this.getBrandDAO().existSameBrandByUIDAndBName(userViewID, cnUtil.RidNull(brandForm.getBrandName()))){
    			System.out.println("e02");
    	        return findModelAndView(brandForm.getSMethod(), exception, "您所添加的品牌已存在!");		
    		}
    	}
        if(cnUtil.RidNull(brandForm.getSMethod()).equalsIgnoreCase("mdy") && brandForm.getBrandID() <= 0){
    		return findModelAndView(brandForm.getSMethod(), exception, "数据处理出错!如有任何问题请与管理员联系!!");
    	}
        System.out.println("s 01");
        
    	Brand brandInfo = new Brand();
    	if(cnUtil.RidNull(brandForm.getSMethod()).equalsIgnoreCase("mdy")){brandInfo.setBrandid(new Integer(brandForm.getBrandID()));}
    	brandInfo.setBrandname(cnUtil.RidNull(brandForm.getBrandName()));
    	brandInfo.setUserid(new Integer(userViewID));
    	this.getBrandDAO().saveBrandInfo(brandInfo);
    	System.out.println("s 02");
    	
    	return new ModelAndView(this.getBrandList());
    }
    
    public ModelAndView findModelAndView(String fromUrl, BindException exception, String errorCode){
    	exception.rejectValue("brandName", "no_brandName", errorCode);
    	if(cnUtil.RidNull(fromUrl).equalsIgnoreCase("mdy")){
    		return new ModelAndView(this.getBrandMdy(), exception.getModel());
    	}else{
    		return new ModelAndView(this.getBrandAdd(), exception.getModel());
    	}
    }
    
	public CnUtil getCnUtil() {
		return cnUtil;
	}

	public void setCnUtil(CnUtil cnUtil) {
		this.cnUtil = cnUtil;
	}

	public SessionUtil getSessionUtil() {
		return sessionUtil;
	}

	public void setSessionUtil(SessionUtil sessionUtil) {
		this.sessionUtil = sessionUtil;
	}

	public UserGlobalCheck getUserGlobalCheck() {
		return userGlobalCheck;
	}

	public void setUserGlobalCheck(UserGlobalCheck userGlobalCheck) {
		this.userGlobalCheck = userGlobalCheck;
	}

	public IBrandDAO getBrandDAO() {
		return brandDAO;
	}

	public void setBrandDAO(IBrandDAO brandDAO) {
		this.brandDAO = brandDAO;
	}

	public String getBrandAdd() {
		return brandAdd;
	}

	public void setBrandAdd(String brandAdd) {
		this.brandAdd = brandAdd;
	}

	public String getBrandMdy() {
		return brandMdy;
	}

	public void setBrandMdy(String brandMdy) {
		this.brandMdy = brandMdy;
	}

	public String getRedirectPage() {
		return redirectPage;
	}

	public void setRedirectPage(String redirectPage) {
		this.redirectPage = redirectPage;
	}

	public String getBrandList() {
		return brandList;
	}

	public void setBrandList(String brandList) {
		this.brandList = brandList;
	}  
}

BrandForm.java

public class BrandForm {
    private int brandID;
    private String brandName;
    private String sMethod;
    
	public int getBrandID() {
		return brandID;
	}
	public void setBrandID(int brandID) {
		this.brandID = brandID;
	}
	public String getBrandName() {
		return brandName;
	}
	public void setBrandName(String brandName) {
		this.brandName = brandName;
	}
	public String getSMethod() {
		return sMethod;
	}
	public void setSMethod(String method) {
		sMethod = method;
	}
}

brandAdd.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ include file="taglibs.jsp"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <link rel="stylesheet" href="css/younext.css"> 
	<title>younext</title>
  </head>

<body>
<form name='form' action='sbrand.do' method='post'>
<spring:bind path="command.*">
	<font color="red"> <b>${status.errorMessage}</b> </font>
</spring:bind>
<table cellpadding="2" cellspacing="1" border="0" width="300" class="border" align="left">
  <tr class="title">
    <td><strong>品牌--增加</strong>
    <input type='text' name='sMethod' value='add'>
	<input type='text' name='brandID' value='0'>
    </td>
  </tr>
  <tr class="tdbg">
    <td>

    </td>
  </tr>
  <tr class="tdbg">
    <td>名称：</td>
  </tr>
  <tr>
    <td class="tdbg">
    <spring:bind path='command.brandName'>
	  <input type='text' name='${status.expression}' value='${status.value}'>
	</spring:bind>
    </td>
  </tr>
  <tr class="tdbg">
    <td align="center"><input type='submit' value='添加'></td>
  </tr>
</table>  
</form>
</body>
</html>

以上为源码

运行时总是出现

type Exception report

message 

description The server encountered an internal error () that prevented it from fulfilling this request.

exception 

javax.servlet.ServletException: Neither BindingResult nor plain target object for bean name 'command' available as request attribute

请哪位高人指点下

[kevihu]

不能直接訪問jsp,但有時候,是忘記配置了~
如忘記加:
/supplyOriginalform.html=supplyOriginalFormController
這樣的話supplyOriginalform.html就直接到jsp了.