1
のweb.xml `スプリングMVC形態<form:form > org.apache.jasper.JasperExceptionが：例外処理JSPページを発生
<?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_3_0.xsd" id="WebApp_ID" version="3.0">
<display-name>SpringMVCLoginFormValidate</display-name>
<welcome-file-list>
<welcome-file>LoginForm.jsp</welcome-file>
</welcome-file-list>
<servlet>
<servlet-name>spring</servlet-name>
<servlet-class>
org.springframework.web.servlet.DispatcherServlet
</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>spring</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>`
ばねservlet.xml
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p" xmlns:context="http://www.springframework.org/schema/context" xmlns:mvc="http://www.springframework.org/schema/mvc" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.1.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.1.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.1.xsd"> <mvc:annotation-driven /> <context:component-scan base-package="com.hr.controller" /> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="prefix" value="/" /> <property name="suffix" value=".jsp" /> </bean> <bean id="messageSource" class="org.springframework.context.support.ReloadableResourceBundleMessageSource"> <property name="basename" value="/WEB-INF/messages" /> </bean> </beans> `
`LoginForm.jsp LoginController.java
package com.hr.controller;
import java.util.Map;
import org.springframework.stereotype.Controller;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import com.hr.model.User;
@Controller
public class LoginController {
@RequestMapping(value = "/login", method = RequestMethod.GET)
public String viewLogin(Map<String, Object> model) {
User user = new User();
model.put("userForm", user);
return "LoginForm";
}
@RequestMapping(value = "/login", method = RequestMethod.POST)
public String doLogin(@ModelAttribute("userForm") User userForm,
BindingResult result, Map<String, Object> model) {
if (result.hasErrors()) {
return "LoginForm";
}
return "LoginSuccess";
}
}
LoginSuccess.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Welcome</title>
</head>
<body>
<div align="center">
<h2>Welcome ${userForm.email}! You have logged in successfully.</h2>
</div>
</body>
</html>
User.java
`<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Login</title>
<style>
.error {
color: red; font-weight: bold;
}
</style>
</head>
<body>
<div align="center">
<h2>Spring MVC Form Validation Demo - Login Form</h2>
<table border="0" width="90%">
<form:form action="login" commandName="userForm" method="post">
<tr>
<td align="left" width="20%">Email: </td>
<td align="left" width="40%"><form:input path="email" size="30"/></td>
<td align="left"><form:errors path="email" cssClass="error"/></td>
</tr>
<tr>
<td>Password: </td>
<td><form:password path="password" size="30"/></td>
<td><form:errors path="password" cssClass="error"/></td>
</tr>
<tr>
<td></td>
<td align="center"><input type="submit" value="Login"/></td>
<td></td>
</tr>
</form:form>
</table>
</div>
</body>
</html>
`
としてデバッグ中
package com.hr.model;
import org.hibernate.validator.Email;
import org.hibernate.validator.NotEmpty;
import org.hibernate.validator.Size;
public class User {
@NotEmpty
@Email
private String email;
@NotEmpty(message = "Please enter your password.")
@Size(min = 6, max = 15, message = "Your password must between 6 and 15 characters")
private String password;
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
}
は、私は春4.2.5のすべてのjarファイルを追加し、エラーを解決する方法を瓶
を休止していたエラーを取得しています？
HTTP Status 500 - An exception occurred processing JSP page /LoginForm.jsp at line 21
type Exception report
message An exception occurred processing JSP page /LoginForm.jsp at line 21
description The server encountered an internal error that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: An exception occurred processing JSP page /LoginForm.jsp at line 21
18: <div align="center">
19: <h2>Spring MVC Form Validation Demo - Login Form</h2>
20: <table border="0" width="90%">
21: <form:form action="login" commandName="userForm" method="post">
22: <tr>
23: <td align="left" width="20%">Email: </td>
24: <td align="left" width="40%"><form:input path="email" size="30"/></td>
Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:568)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:465)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
root cause
java.lang.IllegalStateException: No WebApplicationContext found: not in a DispatcherServlet request and no ContextLoaderListener registered?
org.springframework.web.servlet.support.RequestContext.initContext(RequestContext.java:235)
org.springframework.web.servlet.support.JspAwareRequestContext.initContext(JspAwareRequestContext.java:74)
org.springframework.web.servlet.support.JspAwareRequestContext.<init>(JspAwareRequestContext.java:48)
org.springframework.web.servlet.tags.RequestContextAwareTag.doStartTag(RequestContextAwareTag.java:77)
org.apache.jsp.LoginForm_jsp._jspService(LoginForm_jsp.java:107)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.37 logs.
Apache Tomcat/7.0.37
をコンテキストのparamポインティングを追加する必要があります。例外は、/処理JSPページを発生しましたLoginForm.jspライン12 9で： 10：
問題の初期誤差のために、あなたはリスナーを配置する必要があります。あなたが質問に投稿したログインjspのファーストネームは表示されません。エラーが異なる場合は、別の質問をしてください – VinayVeluri
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