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Could not find action or result

Sachin Negi
Greenhorn

Joined: Feb 02, 2012
Posts: 23
hiii..i am new to struts 2 framework...i developed my jsp code into sturs frame work...but its showing some warning and the "menujsp.jsp" page is not opening...its showing the following on my log:

WARNING: Could not find action or result
There is no Action mapped for namespace [/] and action name [menujsp] associated with context path [/Basic]. - [unknown location]
at com.opensymphony.xwork2.DefaultActionProxy.prepare(DefaultActionProxy.java:185)
at org.apache.struts2.impl.StrutsActionProxy.prepare(StrutsActionProxy.java:63)
at org.apache.struts2.impl.StrutsActionProxyFactory.createActionProxy(StrutsActionProxyFactory.java:39)
at com.opensymphony.xwork2.DefaultActionProxyFactory.createActionProxy(DefaultActionProxyFactory.java:58)
at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:500)
at org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77)
at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:91)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Unknown Source)


Following are the contents of my application:

ConnectionProvider.java


package pkg;
import java.sql.Connection;
import java.sql.DriverManager;

public class ConnectionProvider
{
public static Connection getConnection(){
Connection con=null;
try{
Class.forName("org.postgresql.Driver");
con=DriverManager.getConnection("jdbc:postgresql://localhost:5433/labway","postgres","sachin");
}
catch(Exception e){
System.out.println(e);
}
return con;
}
}


DAO.java:

package pkg;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.*;

public class DAO
{
public List<MenuList> fetch(){
try{
Connection con=ConnectionProvider.getConnection();
PreparedStatement stmt=con.prepareStatement("select * from application where application_id in (select distinct application_id from applicationmenu order by application_id)");
ResultSet rs=stmt.executeQuery();
ResultSet rs1=null;
MenuList menulist;
List<MenuList> list=new ArrayList<MenuList>();
while(rs.next()){
menulist=new MenuList();
menulist.setmenuId(rs.getString(1));
menulist.setmenuTitle(rs.getString(3));
PreparedStatement stmt1=con.prepareStatement("select * from menu where menu_id in (select menu_id from applicationmenu where application_id='"+rs.getString(1)+"')");
rs1=stmt1.executeQuery();
menulist.setsubmenuTitle(rs1.getString(3));

list.add(menulist);
}
return list;
}
catch(Exception e)
{
System.out.println(e);
}
return null;
}



"MenuList.java":



package pkg;

public class MenuList {
String menuId;
String menuTitle;
String submenuTitle;
public MenuList()
{
super();
}
public MenuList(String menuId,String menuTitle,String submenuTitle)
{
super();
this.menuId=menuId;
this.menuTitle=menuTitle;
this.submenuTitle=submenuTitle;
}
public String getMenuId()
{
return menuId;
}
public String getmenuTitle()
{
return menuTitle;
}
public String submenuTitle()
{
return submenuTitle;
}
public void setmenuId(String menuId)
{
this.menuId = menuId;
}
public void setmenuTitle(String menuTitle)
{
this.menuTitle = menuTitle;
}
public void setsubmenuTitle(String submenuTitle)
{
this.submenuTitle = submenuTitle;
}
}



MenuListAction.java:


package pkg;
import java.util.*;
import com.opensymphony.xwork2.ActionSupport;
public class MenuListAction extends ActionSupport
{
private MenuList menulist;
private List<MenuList> menulistlist;
DAO dao=new DAO();
public String execute()
{
menulistlist=dao.fetch();
return "success";
}
public MenuList getMenulist()
{
return menulist;
}
public void setMenulist(MenuList menulist)
{
this.menulist = menulist;
}
public List<MenuList> getMenulistlist()
{
return menulistlist;
}
public void setMenulistlist(List<MenuList> menulistlist)
{
this.menulistlist = menulistlist;
}

}



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</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
2.0//EN" "http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>

<constant name="struts.devMode" value="true"></constant>

<package name="Basic" extends="struts-default">
<action name="fetch" class="pkg.MenuListAction" method="execute">

<result name="success" >/menujsp.jsp</result>
</action>

</package>
</struts>




index.jsp :



<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<%@taglib uri="/struts-tags" prefix="s" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<head><title>DYNAMIC DROPDOWN MENU</title></head>
<body><br><br><center>

<a href="menujsp.jsp">Home Page</a>

</center>
</body>
</html>



menujsp.jsp :

<%@ taglib prefix="s" uri="/struts-tags" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<style>

body{
background-image:ur(C:\indian-flag-12.gif) no-repeat ;
font-family:arial;}
table{font-size:80%;background:black}
a{color:black;text-decoration:none;font:bold}
a:hover{color:#606060}
td.menu{background:lightgrey}
table.menu
{
font-size:100%;
position:absolute;
visibility:hidden;
}
</style>
<script type="text/javascript">
function showmenu(elmnt)
{
document.getElementById(elmnt).style.visibility="visible";
}
function hidemenu(elmnt)
{
document.getElementById(elmnt).style.visibility="hidden";
}
</script>
</head>

<body>
<h3>EMPLOYMENT EXCHANGE Test Page</h3>
<table width="100%">
<tr bgcolor="#FG8080">
<s:iterator value="menulistlist" var="menulist">
<td onmouseover="showmenu(<s:property value="#parent.menuId"/>)" onmouseout="hidemenu(<s:property value="#parent.menuId"/>)">
<a href="/default.asp"><s:property value="#parent.menuTitle"/></a><br />
<table class="menu" id="<s:property value="#parent.menuId"/>" width="120">
<s:iterator value="menulistlist" var="menulist">
<tr><td class="menu" id="<s:property value="#parent.menuId"/>"><a href="/html/default.asp"><s:property value="submenuTitle"/></a></td></tr>
</s:iterator>
</s:iterator>

</table>
</td>

</body>

</html>



plzz help me out...i might have problem in my struts.xml...its not mapping with the action resource
my menujsp.jsp code must also be incorrect but thats another issue...first i need to display this jsp whic isn't happening...
regards
Sachin






Tomas Bilek
Greenhorn

Joined: Nov 17, 2011
Posts: 5
Edit your index.jsp
index.jsp :


<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<%@taglib uri="/struts-tags" prefix="s" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<head><title>DYNAMIC DROPDOWN MENU</title></head>
<body><br><br><center>

<s:url id="someUrl" action="fetch"/>
<a href="%{someUrl}">Home Page</a>


</center>
</body>
</html>

Tomas Bilek (J)
 
I agree. Here's the link: http://aspose.com/file-tools
 
subject: Could not find action or result
 
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