xiaohuihui183 2015-07-26 03:10 采纳率: 0%
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Struts2+Tomcat报404错误

今天在学Struts2时,测试一下登陆验证功能,部署到Tomcat上出现404
就是在访问http://localhost:8080/Struts2Pro/login.jsp时,出现404
图片说明
web.xml

 <?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" 
    xmlns="http://java.sun.com/xml/ns/javaee" 
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
    http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>
  <filter>
    <filter-name>struts2</filter-name>
    <filter-class>
        org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter
    </filter-class>
  </filter>
  <filter-mapping>
    <filter-name>struts2</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping></web-app>

struts.xml

 <?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>
    <package name="struts2" extends="struts-default">
        <action name="login" class="com.test.action.LoginAction">
            <result name="input">login.jsp</result>
            <result>/result.jsp</result>
            <result name="failer">/login.jsp</result>
        </action>
    </package>
</struts>  

LoginAction.java

package com.test.action;

import com.opensymphony.xwork2.ActionSupport;

public class loginAction extends ActionSupport {
    private String username;
    private String password;
    public String getUsername()
    {
        return username;
    }
    public void setUsername(String username)
    {
        this.username = username;
    }
    public String getPassword()
    {
        return password;
    }
    public void setPassword(String password)
    {
        this.password = password;
    }
    @Override
    public void validate() {
        // TODO Auto-generated method stub
        System.out.println("进入validate方法进行校验");
         if(null==this.getUsername()|| "".equals(this.getUsername().trim()))
         {
             this.addFieldError("username", "请输入用户名");
         }
         if(null==this.getPassword()||"".equals(this.getPassword().trim()))
         {
             this.addFieldError("password", "请输入密码");
         }
    }
    @Override
    public String execute() throws Exception {
        // TODO Auto-generated method stub
         if("zy".equals(this.getUsername().trim())&&"123".equals(this.getPassword().trim()))
         {
             return "success";
         }
         else
         {
             this.addFieldError("username", "username or password error!!!!");
             return "failer";
         }
    }
}

Tomcat的报错

 严重: Exception starting filter struts2
Class: com.opensymphony.xwork2.spring.SpringObjectFactory
File: SpringObjectFactory.java
Method: getClassInstance
Line: 230 - com/opensymphony/xwork2/spring/SpringObjectFactory.java:230:-1
    at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:502)
    at org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher(InitOperations.java:74)
    at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init(StrutsPrepareAndExecuteFilter.java:57)
    at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:279)
    at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:260)
    at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:105)
    at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4854)
    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5546)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    at org.apache.catalina.startup.HostConfig.reload(HostConfig.java:1533)
    at org.apache.catalina.startup.HostConfig.checkResources(HostConfig.java:1497)
    at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1695)
    at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:333)
    at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
    at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
    at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1374)
    at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1546)
    at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1556)
    at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1524)
    at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.NullPointerException
    at com.opensymphony.xwork2.spring.SpringObjectFactory.getClassInstance(SpringObjectFactory.java:230)
    at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.verifyResultType(XmlConfigurationProvider.java:604)
    at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addResultTypes(XmlConfigurationProvider.java:574)
    at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addPackage(XmlConfigurationProvider.java:530)
    at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadPackages(XmlConfigurationProvider.java:292)
    at org.apache.struts2.config.StrutsXmlConfigurationProvider.loadPackages(StrutsXmlConfigurationProvider.java:112)
    at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:250)
    at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:67)
    at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:446)
    at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:490)
    ... 19 more
2015-7-26 15:56:09 org.apache.catalina.core.StandardContext startInternal
严重: One or more Filters failed to start. Full details will be found in the appropriate container log file
2015-7-26 15:56:09 org.apache.catalina.core.StandardContext startInternal
严重: Context [/Struts2New] startup failed due to previous errors
  • 写回答

8条回答 默认 最新

  • miracle_yao 2015-07-26 03:13
    关注

    404是找不到页面,是不是Action的路径配错了

    评论

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