Java SpringMVC抛出异常-IllegalStateException：在jsp页面中使用表单tld时，既不是BindingResult，也不是bean的普通目标对象

当我在jsp页面中使用纯html时，应用程序运行良好，当我在jsp中添加表单标记时，它会出现异常，我已将代码和异常粘贴在此处，请帮助我解决。我无法解决此问题，并且从现在起3天就一直被卡住。这里怎么了

我的调度程序servlet：

我的员工jsp页面：

员工页面
${msg}
名字：
姓氏：
电邮：
薪金：
提交

我的员工模范班

package com.shweta.model；
公营雇员{
字符串电子邮件；
字符串名；
字符串lastName；
地址；
长期工资；
公共字符串getEmail（）{
回复邮件；
}
公用电子邮件（字符串电子邮件）{
this.email=电子邮件；
}
公共字符串getFirstName（）{
返回名字；
}
public void setFirstName（字符串firstName）{
this.firstName=firstName；
}
公共字符串getLastName（）{
返回姓氏；
}
public void setLastName（字符串lastName）{
this.lastName=lastName；
}
公共广播getAddress（）{
回信地址；
}
公共无效设置地址（地址）{
this.address=地址；
}
公共长期薪酬（）{
返回工资；
}
公共收入（长期工资）{
这个。薪水=薪水；
}
}
HTTP状态500–内部服务器错误
类型异常报告
消息在第22行处理JSP页面/WEB-INF/jspPages/EmployeeForm.JSP时发生异常
说明服务器遇到意外情况，无法满足请求。
例外情况
org.apache.jasper.jaspereException：在第22行处理JSP页面/WEB-INF/jspPages/EmployeeForm.JSP时发生异常
19:    -->
20:   
21：名字：
22:     
23:   
24:   
25:姓：

异常片段

Stacktrace：
org.apache.jasper.servlet.JspServletWrapper.handleJspException（JspServletWrapper.java:613）
org.apache.jasper.servlet.JspServletWrapper.service（JspServletWrapper.java:505）
org.apache.jasper.servlet.JspServlet.serviceJspFile（JspServlet.java:395）
org.apache.jasper.servlet.JspServlet.service（JspServlet.java:339）
javaservlet.http.HttpServlet.service（HttpServlet.java:731）
org.apache.tomcat.websocket.server.WsFilter.doFilter（WsFilter.java:52）
org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel（InternalResourceView.java:170）
org.springframework.web.servlet.view.AbstractView.render（AbstractView.java:316）
org.springframework.web.servlet.DispatcherServlet.render（DispatcherServlet.java:1370）
org.springframework.web.servlet.DispatcherServlet.processDispatchResult（DispatcherServlet.java:1116）
org.springframework.web.servlet.DispatcherServlet.doDispatch（DispatcherServlet.java:1055）
org.springframework.web.servlet.DispatcherServlet.doService（DispatcherServlet.java:942）
org.springframework.web.servlet.FrameworkServlet.processRequest（FrameworkServlet.java:1005）
org.springframework.web.servlet.FrameworkServlet.doPost（FrameworkServlet.java:908）
javaservlet.http.HttpServlet.service（HttpServlet.java:650）
org.springframework.web.servlet.FrameworkServlet.service（FrameworkServlet.java:882）
javaservlet.http.HttpServlet.service（HttpServlet.java:731）
org.apache.tomcat.websocket.server.WsFilter.doFilter（WsFilter.java:52）
根本原因
java.lang.IllegalStateException:bean名称“employee”的BindingResult和普通目标对象都不能作为请求属性使用
org.springframework.web.servlet.support.BindStatus.（BindStatus.java:153）
org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.getBindStatus（AbstractDataBoundFormElementTag.java:177）
org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.getPropertyPath（AbstractDataBoundFormElementTag.java:198）
org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.getName（AbstractDataBoundFormElementTag.java:163）
org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.autogenerateId（AbstractDataBoundFormElementTag.java:148）
org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.resolveId（AbstractDataBoundFormElementTag.java:138）
org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.writeDefaultAttributes（AbstractDataBoundFormElementTag.java:121）
org.springframework.web.servlet.tags.form.AbstractHtmlElementTag.writeDefaultAttributes（AbstractHtmlElementTag.java:459）
org.springframework.web.servlet.tags.form.InputTag.writeTagContent（InputTag.java:356）
org.springframework.web.servlet.tags.form.AbstractFormTag.doStartTagInternal（AbstractFormTag.java:86）
org.springframework.web.servlet.tags.RequestContextAwareTag.doStartTag（RequestContextAwareTag.java:83）
org.apache.jsp.WEB_002dINF.jspPages.EmployeeForm_jsp._jspx_meth_form_005finput_005f0（EmployeeForm_jsp.java:214）
org.apache.jsp.WEB_002dINF.jspPages.EmployeeForm_jsp._jspx_meth_form_005fform_005f0（EmployeeForm_jsp.java:158）
org.apache.jsp.WEB_002dINF.jspPages.EmployeeForm_jsp._jsp服务（EmployeeForm_jsp.java:104）
org.apache.jasper.runtime.HttpJspBase.service（HttpJspBase.java:70）
javaservlet.http.HttpServlet.service（HttpServlet.java:731）
org.apache.jasper.servlet.JspServletWrapper.service（JspServletWrapper.java:472）
org.apache.jasper.servlet.JspServlet.serviceJspFile（JspServlet.java:395）
org.apache.jasper.servlet.JspServlet.service（JspServlet.java:339）
javaservlet.http.HttpServlet.service（HttpServlet.java:731）
org.apache.tomcat.websocket.server.WsFilter.doFilter（WsFilter.java:52）
org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel（InternalResourceView.jav
<?xml version="1.0" encoding="UTF-8"?>
    <beans xmlns="http://www.springframework.org/schema/beans"
        xmlns:mvc="http://www.springframework.org/schema/mvc"
        xmlns:context="http://www.springframework.org/schema/context"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:schemaLocation="
            http://www.springframework.org/schema/beans     
            http://www.springframework.org/schema/beans/spring-beans.xsd
            http://www.springframework.org/schema/mvc 
            http://www.springframework.org/schema/mvc/spring-mvc.xsd
            http://www.springframework.org/schema/context 
            http://www.springframework.org/schema/context/spring-context.xsd">

        <mvc:annotation-driven />
        <context:component-scan
            base-package="com.shweta.*" />
        <mvc:default-servlet-handler />

     <mvc:view-controller path="/" view-name="index"/>

        <bean id="viewResolver"
                  class="org.springframework.web.servlet.view.InternalResourceViewResolver" >
                  <property name="prefix">
                      <value>/WEB-INF/jspPages/</value>
                   </property>
                  <property name="suffix">
                     <value>.jsp</value>
                  </property>
            </bean>

    </beans>

 <?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
  <display-name>SpringMVCForm</display-name>

  <servlet>
    <servlet-name>dispatcher</servlet-name>
    <servlet-class>
            org.springframework.web.servlet.DispatcherServlet
        </servlet-class>
    <load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
    <servlet-name>dispatcher</servlet-name>
    <url-pattern>/</url-pattern>
  </servlet-mapping>

</web-app>

 package com.shweta.controller;

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.ui.ModelMap;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.ModelAndView;

import com.shweta.model.Employee;
import com.shweta.model.Test;

@Controller
//@ControllerAdvice
@RequestMapping("/employee")
public class EmployeeController {

@RequestMapping(value="/submitForm", method=RequestMethod.POST)
public String formSubmission(@ModelAttribute("employee") Employee employee,BindingResult bindingResult)
        {
            System.out.println("entered in @RequestMapping");
            System.out.println("printing employee from modelattribute");
            System.out.println(employee.getEmail());
            System.out.println(employee.getFirstName());
            System.out.println(employee.getLastName());
            System.out.println(employee.getSalary());
            //modelMap.addAttribute("employee", employee);
            return "EmployeeWelcome";

        }

}

 <%@ page language="java" contentType="text/html; charset=ISO-8859-1"
    pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form" %> 
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Employee page</title>
</head>
<body>
<h1>${msg}</h1>
<%-- <form:form action="employee/submitForm" method="post" > --%>

<form:form action="${pageContext.request.contextPath}/employee/submitForm" method="post" modelAttribute="employee">
  <!-- <div>
    First name:
    <input type="text" name="firstName">
  </div> -->
  <div>
    First name:
    <form:input path="firstName"/>
  </div>
  <div>
    Last name:
    <input type="text" name="lastName">
  </div>
  <div>
    E-mail:
    <input type="email" name="email">
  </div>
  <div>
   Salary:
    <input type="text" name="salary">
  </div>
  <div class="button">
  <button type="submit">Submit</button>
</div>
</form:form>

</body>
</html>

package com.shweta.model;

public class Employee {

    String email;
    String firstName;
    String lastName;
    Address address;
    long salary;

    public String getEmail() {
        return email;
    }

    public void setEmail(String email) {
        this.email = email;
    }

    public String getFirstName() {
        return firstName;
    }

    public void setFirstName(String firstName) {
        this.firstName = firstName;
    }

    public String getLastName() {
        return lastName;
    }

    public void setLastName(String lastName) {
        this.lastName = lastName;
    }

    public Address getAddress() {
        return address;
    }

    public void setAddress(Address address) {
        this.address = address;
    }

    public long getSalary() {
        return salary;
    }

    public void setSalary(long salary) {
        this.salary = salary;
    }

}


HTTP Status 500 – Internal Server Error
Type Exception Report

Message An exception occurred processing JSP page /WEB-INF/jspPages/EmployeeForm.jsp at line 22

Description The server encountered an unexpected condition that prevented it from fulfilling the request.

Exception

org.apache.jasper.JasperException: An exception occurred processing JSP page /WEB-INF/jspPages/EmployeeForm.jsp at line 22

19:   </div> -->
20:   <div>
21:     First name:
22:     <form:input path="firstName"/>
23:   </div>
24:   <div>
25:     Last name:

Stacktrace:
    org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:613)
    org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:505)
    org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
    org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
    org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
    org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:170)
    org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:316)
    org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1370)
    org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1116)
    org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1055)
    org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)
    org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)
    org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:908)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:650)
    org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
    org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
Root Cause

java.lang.IllegalStateException: Neither BindingResult nor plain target object for bean name 'employee' available as request attribute
    org.springframework.web.servlet.support.BindStatus.<init>(BindStatus.java:153)
    org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.getBindStatus(AbstractDataBoundFormElementTag.java:177)
    org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.getPropertyPath(AbstractDataBoundFormElementTag.java:198)
    org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.getName(AbstractDataBoundFormElementTag.java:163)
    org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.autogenerateId(AbstractDataBoundFormElementTag.java:148)
    org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.resolveId(AbstractDataBoundFormElementTag.java:138)
    org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.writeDefaultAttributes(AbstractDataBoundFormElementTag.java:121)
    org.springframework.web.servlet.tags.form.AbstractHtmlElementTag.writeDefaultAttributes(AbstractHtmlElementTag.java:459)
    org.springframework.web.servlet.tags.form.InputTag.writeTagContent(InputTag.java:356)
    org.springframework.web.servlet.tags.form.AbstractFormTag.doStartTagInternal(AbstractFormTag.java:86)
    org.springframework.web.servlet.tags.RequestContextAwareTag.doStartTag(RequestContextAwareTag.java:83)
    org.apache.jsp.WEB_002dINF.jspPages.EmployeeForm_jsp._jspx_meth_form_005finput_005f0(EmployeeForm_jsp.java:214)
    org.apache.jsp.WEB_002dINF.jspPages.EmployeeForm_jsp._jspx_meth_form_005fform_005f0(EmployeeForm_jsp.java:158)
    org.apache.jsp.WEB_002dINF.jspPages.EmployeeForm_jsp._jspService(EmployeeForm_jsp.java:104)
    org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
    org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:472)
    org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
    org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
    org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
    org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:170)
    org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:316)
    org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1370)
    org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1116)
    org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1055)
    org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)
    org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)
    org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:908)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:650)
    org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
    org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
Note The full stack trace of the root cause is available in the server logs.

Apache Tomcat/7.0.94

  @RequestMapping("index")
  public String index(Model model) {
    model.addAttribute("employee", new Employee());
    return "EmployeeForm";
  }