JasperException при обработке страницы JSP: ни BindingResult, ни простой целевой объект для имени компонента «addprod» не доступны в качестве атрибута запроса - PullRequest
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JasperException при обработке страницы JSP: ни BindingResult, ни простой целевой объект для имени компонента «addprod» не доступны в качестве атрибута запроса

0 голосов
/ 03 марта 2012

При попытке доступа к странице addprod.jsp возникает следующая ошибка: 

org.apache.jasper.JasperException: An exception occurred processing JSP page /WEB-INF/jsp/addprod.jsp at line 20

17:       <tr>
18:       <td align="right" width="20%">Add a new Product: (Please enter ID for the new product) </td>
19:         <td width="20%">
20:           <form:input path="productID"/>
21:         </td>
22:         
23:         <td width="60%">


Stacktrace:
    org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:510)
    org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:413)
    org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
    org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
    org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:236)
    org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:257)
    org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1183)
    org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:902)
    org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:807)
    org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:571)
    org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:501)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
    org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:378)
    org.springframework.security.intercept.web.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:109)
    org.springframework.security.intercept.web.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:83)
    org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390)
    org.springframework.security.ui.SessionFixationProtectionFilter.doFilterHttp(SessionFixationProtectionFilter.java:67)
    org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
    org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390)
    org.springframework.security.ui.ExceptionTranslationFilter.doFilterHttp(ExceptionTranslationFilter.java:101)
    org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
    org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390)
    org.springframework.security.wrapper.SecurityContextHolderAwareRequestFilter.doFilterHttp(SecurityContextHolderAwareRequestFilter.java:91)
    org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
    org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390)
    org.springframework.security.ui.AbstractProcessingFilter.doFilterHttp(AbstractProcessingFilter.java:277)
    org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
    org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390)
    org.springframework.security.ui.logout.LogoutFilter.doFilterHttp(LogoutFilter.java:89)
    org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
    org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390)
    org.springframework.security.context.HttpSessionContextIntegrationFilter.doFilterHttp(HttpSessionContextIntegrationFilter.java:235)
    org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
    org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390)
    org.springframework.security.util.FilterChainProxy.doFilter(FilterChainProxy.java:175)
    org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:236)
    org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167)

root cause

java.lang.IllegalStateException: Neither BindingResult nor plain target object for bean name 'addprod' available as request attribute
    org.springframework.web.servlet.support.BindStatus.<init>(BindStatus.java:141)
    org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.getBindStatus(AbstractDataBoundFormElementTag.java:172)
    org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.getPropertyPath(AbstractDataBoundFormElementTag.java:192)
    org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.getName(AbstractDataBoundFormElementTag.java:158)
    org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.autogenerateId(AbstractDataBoundFormElementTag.java:145)
    org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.resolveId(AbstractDataBoundFormElementTag.java:136)
    org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.writeDefaultAttributes(AbstractDataBoundFormElementTag.java:120)
    org.springframework.web.servlet.tags.form.AbstractHtmlElementTag.writeDefaultAttributes(AbstractHtmlElementTag.java:379)
    org.springframework.web.servlet.tags.form.InputTag.writeTagContent(InputTag.java:139)
    org.springframework.web.servlet.tags.form.AbstractFormTag.doStartTagInternal(AbstractFormTag.java:90)
    org.springframework.web.servlet.tags.RequestContextAwareTag.doStartTag(RequestContextAwareTag.java:77)
    org.apache.jsp.WEB_002dINF.jsp.addprod_jsp._jspx_meth_form_005finput_005f0(addprod_jsp.java:306)
    org.apache.jsp.WEB_002dINF.jsp.addprod_jsp._jspService(addprod_jsp.java:114)
    org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
    org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:377)
    org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
    org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
    org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:236)
    org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:257)
    org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1183)
    org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:902)
    org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:807)
    org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:571)
    org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:501)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
    org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:378)
    org.springframework.security.intercept.web.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:109)
    org.springframework.security.intercept.web.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:83)
    org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390)
    org.springframework.security.ui.SessionFixationProtectionFilter.doFilterHttp(SessionFixationProtectionFilter.java:67)
    org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
    org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390)
    org.springframework.security.ui.ExceptionTranslationFilter.doFilterHttp(ExceptionTranslationFilter.java:101)
    org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
    org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390)
    org.springframework.security.wrapper.SecurityContextHolderAwareRequestFilter.doFilterHttp(SecurityContextHolderAwareRequestFilter.java:91)
    org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
    org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390)
    org.springframework.security.ui.AbstractProcessingFilter.doFilterHttp(AbstractProcessingFilter.java:277)
    org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
    org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390)
    org.springframework.security.ui.logout.LogoutFilter.doFilterHttp(LogoutFilter.java:89)
    org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
    org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390)
    org.springframework.security.context.HttpSessionContextIntegrationFilter.doFilterHttp(HttpSessionContextIntegrationFilter.java:235)
    org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
    org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390)
    org.springframework.security.util.FilterChainProxy.doFilter(FilterChainProxy.java:175)
    org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:236)
    org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167)

Product.java 

package springapp1.domain;

import java.io.Serializable;

public class Product implements Serializable {
    static final long serialVersionUID = -1L;

    private int id;
    private String description;
    private Double price;

    public void setId(int i) {
        id = i;
    }

    public int getId() {
        return id;
    }

    public String getDescription() {
        return description;
    }

    public void setDescription(String description) {
        this.description = description;
    }

    public Double getPrice() {
        return price;
    }

    public void setPrice(Double price) {
        this.price = price;
    }

    public String toString() {
        StringBuffer buffer = new StringBuffer();
        buffer.append("Description: " + description + ";");
        buffer.append("Price: " + price);
        return buffer.toString();
    }
}

ProductAddFormController.java 

package springapp1.web;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.SimpleFormController;
import org.springframework.web.servlet.view.RedirectView;

import springapp1.service.ProductAdd;
import springapp1.service.ProductManager;

public class ProductAddFormController extends SimpleFormController {

    /** Logger for this class and subclasses */
    protected final Log logger = LogFactory.getLog(getClass());

    private ProductManager productManager;

    public ModelAndView onSubmit(Object command) throws ServletException {
        int prodid = ((ProductAdd) command).getProductID();
        logger.info("Created new product id by " + prodid + ".");

        String prodname = ((ProductAdd) command).getProductname();
        logger.info("Created new product name by " + prodname + ".");

        double prodprice = ((ProductAdd) command).getProductprice();
        logger.info("Created new price by " + prodprice + ".");

        productManager.addproduct(prodid, prodname, prodprice);

        logger.info("returning from ProductEAddForm view to "
                + getSuccessView());

        return new ModelAndView(new RedirectView(getSuccessView()));
    }

    protected Object formBackingObject(HttpServletRequest request)
            throws ServletException {
        ProductAdd AddProduct = new ProductAdd();
        AddProduct.setProductname("");
        AddProduct.setProductprice(0);
        return AddProduct;
    }

    public void setProductManager(ProductManager productManager) {
        this.productManager = productManager;
    }

    public ProductManager getProductManager() {
        return productManager;
    }

}

addprod.jsp 

<%@ include file="/WEB-INF/jsp/include.jsp" %>
<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form" %>

<html>
<head>
<link rel="stylesheet" type="text/css" href="css/mystyle.css" />
  <title><fmt:message key="title"/></title>
  <style>
    .error { color: blue; }
  </style>  
</head>

<body>
<h1><fmt:message key="addprod.heading"/></h1>
<form:form method="post" commandName="addprod">
  <table width="95%" bgcolor="D8D8D8" border="0" cellspacing="0" cellpadding="5">
      <tr>
      <td align="right" width="20%">Add a new Product: (Please enter ID for the new product) </td>
        <td width="20%">
          <form:input path="productID"/>
        </td>

        <td width="60%">
          <form:errors path="productID" cssClass="error"/>
        </td>
    </tr>
    <tr>
      <td align="right" width="20%">Add a new Product: (Please enter name for the new product) </td>
        <td width="20%">
          <form:input path="productname"/>
        </td>

        <td width="60%">
          <form:errors path="productname" cssClass="error"/>
        </td>
    </tr>
        <tr>
      <td align="right" width="20%">Add Price: (Specify price in number) </td>
        <td width="20%">
          <form:input path="productprice"/>
        </td>

        <td width="60%">
          <form:errors path="productprice" cssClass="error"/>
        </td>
    </tr>
  </table>
  <br>
  <input type="submit" align="center" value="Add">
</form:form>
<a href="<c:url value="hello.htm"/>">Home</a>
</body>
</html>

include.jsp 

<%@ page session="false"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>
<%@ taglib prefix='security' uri='http://www.springframework.org/security/tags' %>

Чего мне не хватает? Получили форму входа, используя ту же самую технику, чтобы работать без проблем, так что эта ошибка действительно меня достала. пытаясь решить эту проблему с одной недели. Спасибо

1 Ответ

0 голосов
/ 03 марта 2012

Я думаю, что ваша форма: входные данные должны указывать на атрибуты продукта: идентификатор, описание и цена

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