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Spring MVC : How To Return Custom 404 Error Pages

May 15, 2014 //  by Krishna Srinivasan

This example provides the steps to write your own 404 Resource Not Found error page for your application. Here I am writing a custom exception for 404 error using the HttpStatus.NOT_FOUND. This will be annotated as the exception @ExceptionHandler in the controller. Whenever there is any error thrown on this type, it will be redirected to the configured error page. Lets look at the example.

1. Spring MVC Controller

SpringExceptionExample.java

package javabeat.net.spring.controller;

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

@Controller
public class SpringExceptionExample {
	@ExceptionHandler(ResourceNotFoundException.class)
    public String handleResourceNotFoundException() {
        return "notfound";
    }

    @RequestMapping(value = "/springexceptiontest/{name}", method = RequestMethod.GET)
    public String viewEdit(@PathVariable("name") final String name, Model model) {
        if (name.equals("null")) throw new ResourceNotFoundException();
        model.addAttribute("msg", name);
        return "hello";
    }
}

2. Custom Exception for 404

ResourceNotFoundException.java

package javabeat.net.spring.controller;

import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.ResponseStatus;

@ResponseStatus(HttpStatus.NOT_FOUND)
public class ResourceNotFoundException extends RuntimeException{

}

3. Views

hello.jsp

<html>
<body>
	<h1>JavaBeat Spring MVC Example</h1>
	<h2>Parameter Value : ${msg}</h2>
</body>
</html>

notfound.jsp

<%@ 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">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>404 Not Found</title>
</head>
<body>
<h2>Your requested page not found!!</h2>
</body>
</html>

4. Spring Configurations

spring-dispatcher-servlet.xml

<?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-3.0.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-3.0.xsd">
	<context:component-scan base-package="javabeat.net.spring.controller" />
	<bean id="jspViewResolver"
		class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<property name="prefix" value="/WEB-INF/jsp/" />
		<property name="suffix" value=".jsp" />
	</bean>
</beans>

5. Deployment Descriptor

web.xml

<?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"
xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
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>Spring MVC Web Application</display-name>
	<servlet>
		<servlet-name>spring-dispatcher</servlet-name>
		<servlet-class>
			org.springframework.web.servlet.DispatcherServlet
        </servlet-class>
		<load-on-startup>1</load-on-startup>
	</servlet>
	<servlet-mapping>
		<servlet-name>spring-dispatcher</servlet-name>
		<url-pattern>/</url-pattern>
	</servlet-mapping>
</web-app>

6. Spring MVC 404 Not Found Demo

 Spring MVC : How To Return Custom 404 Error Pages

 

 Spring MVC : How To Return Custom 404 Error Pages 1

[wpdm_file id=95]

Category: Spring FrameworkTag: Spring MVC

About Krishna Srinivasan

He is Founder and Chief Editor of JavaBeat. He has more than 8+ years of experience on developing Web applications. He writes about Spring, DOJO, JSF, Hibernate and many other emerging technologies in this blog.

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