Looks like you are missing the commons-beanutil-1.8.0.jar in your project class
path.
Grab a copy of the jar from Apache commons website and add it to your
project...that should help.
Good luck.
--
Evans
Date: Fri, 5 Mar 2010 17:04:59 +0530
Subject: [java ee programming] thanooj
From: thanooj...@gmail.com
To: java-ee-j2ee-programming-with-passion@googlegroups.com
i need to do Struts based Pagination using paging tab.
i am getting class Not found error..
please help me .... thanks
.......................................................................................
package com;
import java.io.Serializable;
public class UserData implements Serializable {
int userId;
String userName;
String userPassword;
String timeStamp;
public UserData(int userId, String userName, String userPassword,
String timeStamp) {
this.userId = userId;
this.userName = userName;
this.userPassword = userPassword;
this.timeStamp = timeStamp;
}
public int getUserId() {
return userId;
}
public void setUserId(int userId) {
this.userId = userId;
}
public String getUserName() {
return userName;
}
public void setUserName(String userName) {
this.userName = userName;
}
public String getUserPassword() {
return userPassword;
}
public void setUserPassword(String userPassword) {
this.userPassword = userPassword;
}
public String getTimeStamp() {
return timeStamp;
}
public void setTimeStamp(String timeStamp) {
this.timeStamp = timeStamp;
}
}
-----------------------------------------------------------------
public ArrayList<UserData> getUserDate(Connection con) {// method
// is
// used to
// select all rows from the user table
ArrayList<UserData> userlist = new ArrayList<UserData>();
try {
Statement ps = con.createStatement();
ResultSet rs = ps.executeQuery("select * from gf_lims_users");
System.out.println(rs);
while(rs.next()) {
userlist.add(new
UserData(rs.getInt(1),rs.getString(2),rs.getString(3),rs.getString(5)));
}
} catch (Exception e) {
System.err.println("Exception: " + e.getMessage());
}
return userlist;
}
--------------------------------------------------------------------------------
ArrayList<UserData> userlist=(ArrayList<UserData>)daoutil.getUserDate(con);
ses.setAttribute("userlist", userlist);
---------------------------------------------------------------------------------
<action path="/userView" type="com.UserViewAction">
<forward name="success" path="/UserView.jsp"></forward>
<forward name="failure" path="/Administrator.jsp"></forward>
</action>
---------------------------------------------------------------------------------
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd";>
<%...@taglib uri="/WEB-INF/displaytag.tld" prefix="display" %>
<%...@page import="com.*,java.util.*" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>View Users List</title>
</head>
<body>
<h2>Available List of Users </h2>
<display:table name="sessionScope.userlist" class="com.UserData"
requestURI="/userView.do" pagesize="3" >
<display:column property="userId" title="userId"
sortable="true" />
<display:column property="userName" title="userName"
sortable="true" />
<display:column property="userPassword" title="userPassword"
sortable="true" />
<display:column property="timeStamp" title="timeStamp"
sortable="true" />
</display:table>
</body>
</html>
----------------------------------------------error--------------------------------
error :
SEVERE: Servlet.service() for servlet jsp threw exception
java.lang.ClassNotFoundException:
org.apache.commons.beanutils.NestedNullException
at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1387)
at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
at org.displaytag.tags.TemplateTag.evaluateExpression(TemplateTag.java:84)
at org.displaytag.tags.TableTag.initParameters(TableTag.java:932)
at org.displaytag.tags.TableTag.doStartTag(TableTag.java:767)
at
org.apache.jsp.UserView_jsp._jspx_meth_display_005ftable_005f0(UserView_jsp.java:120)
at org.apache.jsp.UserView_jsp._jspService(UserView_jsp.java:91)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
at
org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
at
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
at
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
at
org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1056)
at
org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:388)
at
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:231)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164)
at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
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:191)
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:293)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)
at java.lang.Thread.run(Thread.java:619)
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