HTTP狀態404 - /彈簧MVC /登錄

我想測試Spring MVC和編碼如下：HTTP狀態404 - /彈簧MVC /登錄

的web.xml： http://java.sun.com/xml/ns/javaee /web-app_3_0.xsd」版本= 「3.0」>

<display-name>To do List</display-name> 

    <welcome-file-list> 
      <welcome-file>login.do</welcome-file> 
    </welcome-file-list> 


    <servlet> 
     <servlet-name>dispatcher</servlet-name> 
     <servlet-class> 
      org.springframework.web.servlet.DispatcherServlet 
     </servlet-class> 
     <init-param> 
      <param-name>contextConfigLocation</param-name> 
      <param-value>/WEB-INF/todo-servlet.xml</param-value> 
     </init-param> 
     <load-on-startup>1</load-on-startup> 
    </servlet> 

    <servlet-mapping> 
     <servlet-name>dispatcher</servlet-name> 
     <url-pattern>/spring-mvc/*</url-pattern> 
    </servlet-mapping> 

</web-app>

待辦事項-servlet.xml中：

<beans xmlns="http://www.springframework.org/schema/beans" 
     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" 
     xsi:schemaLocation="http://www.springframework.org/schema/beans  http://www.springframework.org/schema/beans/spring-beans-4.0.xsd 
     http://www.springframework.org/schema/mvc  http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd 
     http://www.springframework.org/schema/context  http://www.springframework.org/schema/context/spring-context-4.0.xsd"> 

     <context:component-scan base-package="com.ezmsip" /> 

     <mvc:annotation-driven /> 

    </beans>

LoginController.java：

個

package com.ezmsip.controller; 

import org.springframework.stereotype.Controller; 
import org.springframework.web.bind.annotation.RequestMapping; 
import org.springframework.web.bind.annotation.ResponseBody; 

@Controller 
public class LoginController { 

    @RequestMapping(value="/login") 
    @ResponseBody 
    public String sayHello() { 

     return "Hola Mundo"; 
    } 
}

HTTP狀態404錯誤：

HTTP Status 404 - /spring-mvc/login 


type Status report 

message /spring-mvc/login 

description The requested resource is not available.

的Apache Tomcat/8.0.39

Tomcat的控制檯日誌：

nov 29, 2016 10:07:47 AM org.apache.tomcat.util.digester.SetPropertiesRule begin 
WARNING: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:login' did not find a matching  property. 
nov 29, 2016 10:07:47 AM org.apache.tomcat.util.digester.SetPropertiesRule begin 
WARNING: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:first-web-app' did not find a  matching property. 
nov 29, 2016 10:07:47 AM org.apache.catalina.startup.VersionLoggerListener log 
INFO: Server version:  Apache Tomcat/8.0.39 
nov 29, 2016 10:07:47 AM org.apache.catalina.startup.VersionLoggerListener log 
INFO: Server built:   Nov 9 2016 08:48:39 UTC 
nov 29, 2016 10:07:47 AM org.apache.catalina.startup.VersionLoggerListener log 
INFO: Server number:   8.0.39.0 
nov 29, 2016 10:07:47 AM org.apache.catalina.startup.VersionLoggerListener log 
INFO: OS Name:    Windows 7 
nov 29, 2016 10:07:47 AM org.apache.catalina.startup.VersionLoggerListener log 
INFO: OS Version:   6.1 
nov 29, 2016 10:07:47 AM org.apache.catalina.startup.VersionLoggerListener log 
INFO: Architecture:   amd64 
nov 29, 2016 10:07:47 AM org.apache.catalina.startup.VersionLoggerListener log 
INFO: Java Home:    C:\Program Files\Java\jre1.8.0_111 
nov 29, 2016 10:07:47 AM org.apache.catalina.startup.VersionLoggerListener log 
INFO: JVM Version:   1.8.0_111-b14 
nov 29, 2016 10:07:47 AM org.apache.catalina.startup.VersionLoggerListener log 
INFO: JVM Vendor:   Oracle Corporation 
nov 29, 2016 10:07:47 AM org.apache.catalina.startup.VersionLoggerListener log 
INFO: CATALINA_BASE:   C:\Users\agaragor\workspaceNeon\RBWG\.metadata\.plugins\org.eclipse.wst.server.c ore\tmp1 
nov 29, 2016 10:07:47 AM org.apache.catalina.startup.VersionLoggerListener log 
INFO: CATALINA_HOME:   C:\Users\agaragor\Apache-Tomcat-V8\apache- tomcat-8.0.39 
nov 29, 2016 10:07:47 AM org.apache.catalina.startup.VersionLoggerListener log 
INFO: Command line argument: - Dcatalina.base=C:\Users\agaragor\workspaceNeon\RBWG\.metadata\.plugins\org.eclip se.wst.server.core\tmp1 
nov 29, 2016 10:07:47 AM org.apache.catalina.startup.VersionLoggerListener log 
INFO: Command line argument: -Dcatalina.home=C:\Users\agaragor\Apache- Tomcat-V8\apache-tomcat-8.0.39 
nov 29, 2016 10:07:47 AM org.apache.catalina.startup.VersionLoggerListener log 
INFO: Command line argument: - Dwtp.deploy=C:\Users\agaragor\workspaceNeon\RBWG\.metadata\.plugins\org.eclipse. wst.server.core\tmp1\wtpwebapps 
nov 29, 2016 10:07:47 AM org.apache.catalina.startup.VersionLoggerListener log 
INFO: Command line argument: -Djava.endorsed.dirs=C:\Users\agaragor\Apache- Tomcat-V8\apache-tomcat-8.0.39\endorsed 
nov 29, 2016 10:07:47 AM org.apache.catalina.startup.VersionLoggerListener log 
INFO: Command line argument: -Dfile.encoding=Cp1252 
nov 29, 2016 10:07:47 AM org.apache.catalina.core.AprLifecycleListener  lifecycleEvent 
INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path:  C:\Program Files\Java\jre1.8.0_111\bin;C:\windows\Sun\Java\bin;C:\windows\system32;C:\windo ws;C:/Program Files/Java/jre1.8.0_111/bin/server;C:/Program  Files/Java/jre1.8.0_111/bin;C:/Program  Files/Java/jre1.8.0_111/lib/amd64;C:\ProgramData\Oracle\Java\javapath;C:\app\aga  ragor\product\11.2.0\dbhome_1\bin;C:\windows\system32;C:\windows;C:\windows\Syst em32\Wbem;C:\windows\System32\WindowsPowerShell\v1.0\;C:\Program Files  (x86)\Skype\Phone\;C:\Program Files\Java\jdk1.8.0_65\bin;C:\Program Files  (x86)\PuTTY\;C:\Users\agaragor\Desktop;;. 
nov 29, 2016 10:07:48 AM org.apache.coyote.AbstractProtocol init 
INFO: Initializing ProtocolHandler ["http-nio-8080"] 
nov 29, 2016 10:07:48 AM org.apache.tomcat.util.net.NioSelectorPool getSharedSelector 
INFO: Using a shared selector for servlet write/read 
nov 29, 2016 10:07:48 AM org.apache.coyote.AbstractProtocol init 
INFO: Initializing ProtocolHandler ["ajp-nio-8009"] 
nov 29, 2016 10:07:48 AM org.apache.tomcat.util.net.NioSelectorPool getSharedSelector 
INFO: Using a shared selector for servlet write/read 
nov 29, 2016 10:07:48 AM org.apache.catalina.startup.Catalina load 
INFO: Initialization processed in 1538 ms 
nov 29, 2016 10:07:48 AM org.apache.catalina.core.StandardService  startInternal 
INFO: Starting service Catalina 
nov 29, 2016 10:07:48 AM org.apache.catalina.core.StandardEngine  startInternal 
INFO: Starting Servlet Engine: Apache Tomcat/8.0.39 
nov 29, 2016 10:07:56 AM org.apache.jasper.servlet.TldScanner scanJars 
INFO: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time. 
nov 29, 2016 10:07:58 AM org.apache.jasper.servlet.TldScanner scanJars 
INFO: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time. 
nov 29, 2016 10:07:58 AM org.apache.catalina.core.ApplicationContext log 
INFO: No Spring WebApplicationInitializer types detected on classpath 
nov 29, 2016 10:07:59 AM org.apache.catalina.core.ApplicationContext log 
INFO: Initializing Spring FrameworkServlet 'dispatcher' 
nov 29, 2016 10:07:59 AM org.springframework.web.servlet.DispatcherServlet  initServletBean 
INFO: FrameworkServlet 'dispatcher': initialization started 
nov 29, 2016 10:07:59 AM org.springframework.web.context.support.XmlWebApplicationContext prepareRefresh 
INFO: Refreshing WebApplicationContext for namespace 'dispatcher-servlet':  startup date [Tue Nov 29 10:07:59 BRST 2016]; root of context hierarchy 
nov 29, 2016 10:07:59 AM  org.springframework.beans.factory.xml.XmlBeanDefinitionReader  loadBeanDefinitions 
INFO: Loading XML bean definitions from ServletContext resource [/WEB- INF/todo-servlet.xml] 
nov 29, 2016 10:08:02 AM  org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMappi ng register 
INFO: Mapped "{[/login]}" onto public java.lang.String  com.ezmsip.controller.LoginController.sayHello() 
nov 29, 2016 10:08:02 AM  org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapt er initControllerAdviceCache 
INFO: Looking for @ControllerAdvice: WebApplicationContext for namespace  'dispatcher-servlet': startup date [Tue Nov 29 10:07:59 BRST 2016]; root of  context hierarchy 
nov 29, 2016 10:08:02 AM org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapt er initControllerAdviceCache 
INFO: Looking for @ControllerAdvice: WebApplicationContext for namespace  'dispatcher-servlet': startup date [Tue Nov 29 10:07:59 BRST 2016]; root of  context hierarchy 
nov 29, 2016 10:08:02 AM org.springframework.web.servlet.DispatcherServlet initServletBean 
INFO: FrameworkServlet 'dispatcher': initialization completed in 3226 ms 
nov 29, 2016 10:08:02 AM org.apache.coyote.AbstractProtocol start 
INFO: Starting ProtocolHandler ["http-nio-8080"] 
nov 29, 2016 10:08:02 AM org.apache.coyote.AbstractProtocol start 
INFO: Starting ProtocolHandler ["ajp-nio-8009"] 
nov 29, 2016 10:08:02 AM org.apache.catalina.startup.Catalina start 
INFO: Server startup in 14164 ms

來源

2016-11-29 Alberto

試試這個 insted of – Darshit

你的名字是什麼jsp文件以及你如何映射到這個文件？請同時顯示您的視圖解析器。 –

@Darshit我試着用com.ezmsip。*，但仍然得到相同的錯誤。 – Alberto

更改web.xml如下：

<context-param> 
    <param-name>contextConfigLocation</param-name> 
    <param-value>/WEB-INF/todo-servlet.xml</param-value> 
</context-param> 

<servlet> 
    <servlet-name>dispatcher</servlet-name> 
     <servlet-class> 
      org.springframework.web.servlet.DispatcherServlet 
     </servlet-class> 
     <init-param> 
      <param-name>contextConfigLocation</param-name> 
      <param-value></param-value> 
     </init-param> 
     <load-on-startup>1</load-on-startup> 
</servlet> 

<servlet-mapping> 
    <servlet-name>dispatcher</servlet-name> 
    <url-pattern>/your-mapping/*</url-pattern> 
</servlet-mapping> 

<listener> 
    <listenerclass> 
     org.springframework.web.context.ContextLoaderListener 
    </listener-class> 
</listener>

來源

2016-11-29 18:56:57 Ibrahim

易卜拉欣，我試着改變爲，正如你所建議的，但是我得到以下錯誤： cvc-complex-type.2.4.a：從元素'context-param'開始找到無效的內容。其中一個'{「http：// java.sun.com/xml/ns/javaee":init-param，」http://java.sun.com/xml/ns/javaee":load-on-startup ，「http：// java.sun.com/xml/ns/javaee":enabled」，http://java.sun.com/xml/ns/javaee":async-supported「，http：// java.sun.com/xml/ns/javaee":run-as，「http://java.sun.com/xml/ns/javaee":security-role-ref」，http：// java.sun .com/xml/ns/javaee「：multipart-config}」。 – Alberto

@Alberto，答案已更新 – Ibrahim

我的問題是我的Eclipse Neon環境設置爲使用JRE而不是JDK運行。我不得不編輯Eclipse的init文件，並設置指向JDK路徑的-vm語句。

來源

2016-11-30 11:18:52 Alberto

HTTP狀態404 - /彈簧MVC /登錄

回答

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