blue2048 2008-11-25 16:17
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初学JSP的小问题

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: com.yourcompany.struts.action.ProjectAction.addProject(org.apache.struts.action.ActionMapping, org.apache.struts.action.ActionForm, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
com.yourcompany.filter.HibernateFilter.doFilter(HibernateFilter.java:99)
com.yourcompany.filter.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109)

root cause

javax.servlet.ServletException: com.yourcompany.struts.action.ProjectAction.addProject(org.apache.struts.action.ActionMapping, org.apache.struts.action.ActionForm, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
org.apache.struts.action.RequestProcessor.processException(RequestProcessor.java:523)
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:421)
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:224)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
com.yourcompany.filter.HibernateFilter.doFilter(HibernateFilter.java:75)
com.yourcompany.filter.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109)

root cause

java.lang.NoSuchMethodException: com.yourcompany.struts.action.ProjectAction.addProject(org.apache.struts.action.ActionMapping, org.apache.struts.action.ActionForm, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
java.lang.Class.getMethod(Class.java:1581)
org.apache.struts.actions.DispatchAction.getMethod(DispatchAction.java:322)
org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:262)
org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:194)
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:419)
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:224)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
com.yourcompany.filter.HibernateFilter.doFilter(HibernateFilter.java:75)
com.yourcompany.filter.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109)

note The full stack trace of the root cause is available in the Apache Tomcat/5.5.17 logs.

[b]问题补充：[/b]
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib uri="http://jakarta.apache.org/struts/tags-bean" prefix="bean"%>
<%@ taglib uri="http://jakarta.apache.org/struts/tags-html" prefix="html"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

function checkInput() { var returnValue = true; if( document.all.name.value == '') { alert("项目名称不能为空"); returnValue = false; } else if(document.all.name.value.length>40) { alert("项目名称过长，最长为20个汉字"); returnValue = false; } else if( document.all.teacher.value.length>10 ) { alert("老师姓名过长，最长为5个汉字"); returnValue = false; } else if( document.all.detail.value.length>1000 ) { alert("详细信息过多，最多为500个汉字"); returnValue = false; } return returnValue; }

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">


"> 
<title>添加项目信息</title>


添加项目信息




项目名称 :

是否完成 :
/html:option
/html:option

/html:select

指导老师 :

项目内容 :


/html:form
返回

  • 写回答

2条回答 默认 最新

  • linpyi 2008-11-25 20:30
    关注

    java.lang.NoSuchMethodException

    方法不存在异常。当访问某个类的不存在的方法时抛出该异常。

    你是什么时候报的错,提交的时候?

    如果是应该是你的action有问题

    本回答被题主选为最佳回答 , 对您是否有帮助呢?
    评论
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