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132 100+

Hi..

I am running web application using NetBeans ID...

While i am running this code i got an error like this...

java.lang.NoClassDefFoundError: org/netbeans/modules/web/project/ant/JspCSingle
Exception in thread "main"

the code is....

<%@page contentType="text/html"%>
<%@page pageEncoding="UTF-8"%>
<%@ page import="java.util.ArrayList" %>
<%@ page import="com.myapp.struts.sample" %>
<%@ page import="com.myapp.struts.userForm" %>
<%@ page import="java.util.Iterator" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>View Books</title>
</head>
<body>
<%ArrayList allCols = null;%>
<table>
<tr>
<td>
USER NAME
</td>
<td>
PASSWORD
</td>

</tr>
<%
sample s=new sample();
userForm u=new userForm();
allCols=s.getAllCols();

Iterator colIterator = allCols.iterator();

while (colIterator.hasNext()) {
u = (userForm)colIterator.next();
String name=u.getName();
String pwd=u.getPwd();

%>

<tr>
<td>
<%=pwd%>
</td>
<td>
<%=name%>
</td>

</tr>

<%
}
%>
</table>

</body>
</html>

Regards
Kaleesh

Jul 23 '07 #1

Subscribe Post Reply

4027

nanhiPari

Hi..

I am running web application using NetBeans ID...

While i am running this code i got an error like this...

java.lang.NoClassDefFoundError: org/netbeans/modules/web/project/ant/JspCSingle
Exception in thread "main"

the code is....

<%@page contentType="text/html"%>
<%@page pageEncoding="UTF-8"%>
<%@ page import="java.util.ArrayList" %>
<%@ page import="com.myapp.struts.sample" %>
<%@ page import="com.myapp.struts.userForm" %>
<%@ page import="java.util.Iterator" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>View Books</title>
</head>
<body>
<%ArrayList allCols = null;%>
<table>
<tr>
<td>
USER NAME
</td>
<td>
PASSWORD
</td>

</tr>
<%
sample s=new sample();
userForm u=new userForm();
allCols=s.getAllCols();

Iterator colIterator = allCols.iterator();

while (colIterator.hasNext()) {
u = (userForm)colIterator.next();
String name=u.getName();
String pwd=u.getPwd();

%>

<tr>
<td>
<%=pwd%>
</td>
<td>
<%=name%>
</td>

</tr>

<%
}
%>
</table>

</body>
</html>

Regards
Kaleesh

i dont know much of doing JSP..but have done this thing using Java..& this ERROR is very common..

what i got thrugh ur code is that u are Making a DataBase Connection

in this case when u are doing

Expand|Select|Wrap|Line Numbers

 while (colIterator.hasNext()) {

                u = (userForm)colIterator.next();

                String name=u.getName();

                String pwd=u.getPwd();

this While statements Throws an Exception which in Java we can clear up with a Try- Catch Block..

so i think u also need to do the same thing..but dont know how this is done in JSP...

Take care..
Cheerz!!!

Jul 25 '07 #2

sumittyagi

202

Expert 100+

Hi..

I am running web application using NetBeans ID...

While i am running this code i got an error like this...

java.lang.NoClassDefFoundError: org/netbeans/modules/web/project/ant/JspCSingle
Exception in thread "main"

the code is....

<%@page contentType="text/html"%>
<%@page pageEncoding="UTF-8"%>
<%@ page import="java.util.ArrayList" %>
<%@ page import="com.myapp.struts.sample" %>
<%@ page import="com.myapp.struts.userForm" %>
<%@ page import="java.util.Iterator" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>View Books</title>
</head>
<body>
<%ArrayList allCols = null;%>
<table>
<tr>
<td>
USER NAME
</td>
<td>
PASSWORD
</td>

</tr>
<%
sample s=new sample();
userForm u=new userForm();
allCols=s.getAllCols();

Iterator colIterator = allCols.iterator();

while (colIterator.hasNext()) {
u = (userForm)colIterator.next();
String name=u.getName();
String pwd=u.getPwd();

%>

<tr>
<td>
<%=pwd%>
</td>
<td>
<%=name%>
</td>

</tr>

<%
}
%>
</table>

</body>
</html>

Regards
Kaleesh

A NoClassDefFoundException is thrown if a class is referenced with Java’s “new” operator (i.e. static loading) but the runtime system cannot find the referenced class.

So I think your system is not able to find userForm class. I don't know much about struts framework, as I havn't worked on it, but I think you need to check out for the entry of userForm in your struts-config.xml file. (or may be any other setting).

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