Spring MVC Controller Not Found
Question
This is probably an easy one, but I'm missing something I guess. The problem comes down to this: I am trying to use a HelloController to display "/WEB-INF/hello.jsp". Unfortunately, I get a 404 when trying to access http://example.com/app/hello
Here is the code. Probably an easy fix.
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_2_5.xsd"
id="WebApp_ID" version="2.5">
<display-name>app</display-name>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/classes/applicationContext.xml</param-value>
</context-param>
<listener>
<listener-class>
org.springframework.web.context.ContextLoaderListener
</listener-class>
</listener>
<servlet>
<servlet-name>dispatcher</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/classes/applicationContext.xml</param-value>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name>dispatcher</servlet-name>
<url-pattern>/*</url-pattern>
</servlet-mapping>
</web-app>
applicationContext.xml:
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:security="http://www.springframework.org/schema/security"
xmlns:tx="http://www.springframework.org/schema/tx" xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p="http://www.springframework.org/schema/p"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.1
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.1.xsd
http://www.springframework.org/schema/security
http://www.springframework.org/schema/security/spring-security-3.1.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-3.1.xsd">
<context:component-scan base-package="web.controller" />
<bean id="viewResolver"
class="org.springframework.web.servlet.view.InternalResourceViewResolver"
p:prefix="/WEB-INF/" p:suffix=".jsp" />
</beans>
HelloController.java:
@Controller
public class HelloController {
@RequestMapping(value="/hello", method=RequestMethod.GET)
public ModelAndView helloWorld() {
ModelAndView mv = new ModelAndView();
mv.setViewName("hello");
return mv;
}
}
hello.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>Hello</title>
</head>
<body>
<p>Hello</p>
</body>
</html>
Update: Added error message per request.
Error 404--Not Found From RFC 2068 Hypertext Transfer Protocol -- HTTP/1.1: 10.4.5 404 Not Found
The server has not found anything matching the Request-URI. No indication is given of whether the condition is temporary or permanent.
If the server does not wish to make this information available to the client, the status code 403 (Forbidden) can be used instead. The 410 (Gone) status code SHOULD be used if the server knows, through some internally configurable mechanism, that an old resource is permanently unavailable and has no forwarding address.
3 answers
solution1
8 ACCPTED 2012-03-21 14:41:52
This the problem (in web.xml ):
<url-pattern>/*</url-pattern>
This will redirect all requests to the Spring servlet, including your request from the controller to the JSP. Essentially, the control flow will loop from your controller back into Spring again. You need to narrow that down so that the request for the JSP goes direct to the underlying container, rather than to Spring.
Try changing it to
<url-pattern>/app*</url-pattern>
And try again. You might need to fiddle a bit with leading and trailing slahes to make it work (eg <url-pattern>/app*</url-pattern> or @RequestMapping("hello") , etc)
solution2
1 2012-09-16 14:00:57
Please check that your all controller class/sub-packages or other classes are within the same package as your have mentioned in the following line:
<context:annotation-config />
<context:component-scan base-package="com.kfs" />
solution3
0 2012-03-21 15:42:38
As you metioned in comment, log dont give you infromation that Controller mapped to specific url. So I think prblem is in controller.
Make sure, controller in the "mil.army.retain.web.controller" package and turn on the annotation-config:
<context:annotation-config />
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