struts的问题,急啊!!! HTTP 404 - 未找到文件 !!!在线等

看看viewuser.jsp的路径是不是有误？？

它就放在主目录下,和createuser.jsp在同一目录下,input="/createuser.jsp">
<forward name="userCreated" path="/viewuser.jsp"/> 是这句的问题吗,我觉得应该是/viewuser.jsp吧,那正确的路径应该是什么呢

<html:form action="UserAction.do" method="GET">

是没有找到文件吗，你用的是什么服务器，tomcat?

对,tomcat5了,提示如下: 找不到网页
您要查看的网页可能已被删除、名称已被更改，或者暂时不可用。 --------------------------------------------------------------------------------请尝试以下操作:如果您已经在地址栏中输入该网页的地址，请确认其拼写正确。打开 localhost 主页，然后查找指向您感兴趣信息的链接。
单击后退按钮，尝试其他链接。
单击搜索，寻找 Internet 上的信息。 HTTP 404 - 未找到文件
Internet Explorer

package com.cstmail.login;
import javax.servlet.http.*;
import org.apache.struts.action.*;
public class UserAction extends Action
{     public  ActionForward perform(ActionMapping mapping,ActionForm form,HttpServletRequest request,HttpServletResponse response)
{
             UserForm f=(UserForm)form;
    try
{
              UserBean bean=new UserBean();
              bean.addUser(f.getUser());
           }
  catch(Exception e)
        {
                    e.printStackTrace();
                  }
                       request.setAttribute("User",f.getUser());
              return(mapping.findForward("userCreated"));
                     }
           }
其中struts-config.xml如下:
<struts-config>
<form-beans>
       <form-bean name="userForm" type="com.cstmail.login.UserForm"/>
          </form-beans>          <action-mappings>
          <action  path="/createuser"  type="com.cstmail.login.UserAction"
                   name="userForm"     scope="request"
                   validate="true"     input="/createuser.jsp">
              <forward name="userCreated" path="/viewuser.jsp"/>
          </action>
     </action-mappings>
     <message-resources parameter="ApplicationResources"/>
</struts-config>
其中createuser.jsp如下:
<%@ page contentType="text/html;charset=gb2312" language="java" %>
<%@ taglib uri="/struts-bean" prefix="bean"%>
<%@ taglib uri="/struts-html" prefix="html"%><html:html locale="true">
<head>
<title>RegUser</title>
<html:base/>
</head>
<body bgcolor="white">
<html:errors/>
<html:form action="UserAction.do" method="GET" name="form1">
<table border="0" width="100%">
  <tr>
    <th align="right">
      UID:
    </th>
    <td align="left">
      <html:text property="user.uid" size="20" maxlength="20"/>
    </td>
  </tr>
  <tr>
    <th align="right">
      Password:
    </th>
    <td align="left">
      <html:password property="user.password" size="20" maxlength="20"/>
    </td>
  </tr>
  <tr>
    <th align="right">
     age:
    </th>
    <td align="left">
      <html:text property="user.age" size="30" maxlength="50"/>
    </td>
  </tr>
  <tr>
    <td align="right">
      <html:submit property="submit" value="Submit"/>
    </td>
    <td align="left">
      <html:reset/>
    </td>
  </tr>
</table>
</html:form>
</body>
</html:html>

UserBean,com.cstmail.login.UserForm,还有createduser.jsp,也贴出来看一下

你也可以直接把地址改一下：.../createuser.jsp--->...../viewuser.jsp

HTTP Status 500 - --------------------------------------------------------------------------------type Exception reportmessage description The server encountered an internal error () that prevented it from fulfilling this request.exception org.apache.jasper.JasperException: /createuser.jsp(12,0) Attribute name invalid for tag form according to TLD
org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:39)
org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:409)
org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:238)
org.apache.jasper.compiler.Validator$ValidateVisitor.checkXmlAttributes(Validator.java:975)
org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:696)
org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1441)
org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163)
org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2213)
org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:716)
org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1441)
org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163)
org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2213)
org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2219)
org.apache.jasper.compiler.Node$Root.accept(Node.java:456)
org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163)
org.apache.jasper.compiler.Validator.validate(Validator.java:1475)
org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:214)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:470)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:451)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:439)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:511)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:295)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
note The full stack trace of the root cause is available in the Apache Tomcat/5.0.28 logs.
--------------------------------------------------------------------------------Apache Tomcat/5.0.28

去掉 name="form1"后出现如下错误,是不是html:form action="UserAction.do"不对啊
HTTP Status 500 - --------------------------------------------------------------------------------type Exception reportmessage description The server encountered an internal error () that prevented it from fulfilling this request.exception javax.servlet.ServletException: Cannot retrieve mapping for action /UserAction
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:825)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:758)
org.apache.jsp.createuser_jsp._jspService(createuser_jsp.java:92)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
root cause javax.servlet.jsp.JspException: Cannot retrieve mapping for action /UserAction
org.apache.struts.taglib.html.FormTag.lookup(FormTag.java:721)
org.apache.struts.taglib.html.FormTag.doStartTag(FormTag.java:417)
org.apache.jsp.createuser_jsp._jspx_meth_html_form_0(createuser_jsp.java:178)
org.apache.jsp.createuser_jsp._jspx_meth_html_html_0(createuser_jsp.java:123)
org.apache.jsp.createuser_jsp._jspService(createuser_jsp.java:83)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
note The full stack trace of the root cause is available in the Apache Tomcat/5.0.28 logs.
--------------------------------------------------------------------------------Apache Tomcat/5.0.28

改成<html:form action="createuser.do" method="GET" >后,createuser.jsp正常,但提交后又提示找不到网页了,createuser.jsp如下
<%@ page contentType="text/html;charset=gb2312" language="java" %>
<%@ taglib uri="/struts-bean" prefix="bean"%>
<%@ taglib uri="/struts-html" prefix="html"%><html:html locale="true">
<head>
<title>RegUser</title>
<html:base/>
</head>
<body bgcolor="white">
<html:errors/>
<html:form action="createuser.do" method="GET" >
<table border="0" width="100%">
  <tr>
    <th align="right">
      UID:
    </th>
    <td align="left">
      <html:text property="user.uid" size="20" maxlength="20"/>
    </td>
  </tr>
  <tr>
    <th align="right">
      Password:
    </th>
    <td align="left">
      <html:password property="user.password" size="20" maxlength="20"/>
    </td>
  </tr>
  <tr>
    <th align="right">
     age:
    </th>
    <td align="left">
      <html:text property="user.age" size="30" maxlength="50"/>
    </td>
  </tr>
  <tr>
    <td align="right">
      <html:submit property="submit" value="Submit"/>
    </td>
    <td align="left">
      <html:reset/>
    </td>
  </tr>
</table>
</html:form>
</body>
</html:html>

在你的UserAction类中用System.out.println()多打得信息看看你的程序运行到了哪里？

我昨天遇到同样的问题，你把TOMCAT工作目录里的有关这个WEB应用的文件夹去掉，然后重新启动TOMCAT，可能就行了，因为它用的可能还是老的哪个编译文件！

<action-mappings>
          <action  path="/createuser"
                   type="com.cstmail.login.UserAction"
                   name="userForm"     scope="request"
                   validate="true"     input="/createuser.jsp">
不好意思，<html:form action="createuser.do" method="GET" >，这个地方的确是action="createuser.do"
建议你做一下测试，看看问题出在哪：
将 congig中的<forward name="userCreated" path="/viewuser.jsp"/> 改为
<forward name="userCreated" path="/createuser.jsp"/> ，运行，如果还是报错，说明action有问题，如果正常，说明viewuser.jsp有问题

你的viewuser.jsp所放的位置是不是正确啊!

建议你把     <global-forwards>
      <forward name="userCreated" path="/viewuser.jsp"/>
     </global-forwards>中的<forward name="userCreated" path="/viewuser.jsp"/> 去掉
在保证你的jsp在你的web的context path 中

我的servlet运行必须打8080端口号,以前配置整合过apache1.3+tomcat5,可以运行jsp,但我发现其不能运行servlet,必须打http://localhost:8080才能运行servlet.这次我http://localhost:8080/test/creatuser.jsp页面显示正常,但提交后仍然是creatuser.jsp页面.数据也没有插入到数据库中啊,这是怎么加速啊,好奇怪啊,!!!

调试易

struts的问题,急啊!!! HTTP 404 - 未找到文件 !!!在线等

解决方案 »