symbol not found

i am makin a web application for uploading files using jsp

netbeans tomcat...

i m using commons package for uploading files....

i have added commons library in particular web application also and in

java library manager also....

but whenever i compile my code...

wherever i using function of commons package i get the error....

symbols not found....

please

please

please help me......

[452 byte] By [anshul_goyala] at [2007-11-27 4:15:24]
# 1
post your complete exception and the sample code
AnanSmritia at 2007-7-12 9:21:46 > top of Java-index,Enterprise & Remote Computing,Web Tier APIs...
# 2

this is html code:

<html>

<head>

<title>video upload</title>

<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />

<link href="default.css" rel="stylesheet" type="text/css">

</head>

<body>

<form action="first.jsp" method="post"

enctype="multipart/form-data" name="form1" id="form1">

<table width="100%" border="0" cellspacing="3" cellpadding="3">

<tr>

<td width="25%"><strong>File</strong></td>

<td><input type="file" name="file" /></td>

</tr>

<tr>

<td width="25%"><strong>Comment</strong></td>

<td><input name="Comment" type="text" size="50"

maxlength="250"></td>

</tr>

<tr>

<td width="25%"> </td>

<td><input type="submit" name="Submit" value="Upload" /></td>

</tr>

</table>

</form>

</body>

</html>

jsp code:

<%@ page import="java.io.*" %>

<%@ page import= "java.util.*" %>

<%@ page import= "org.apache.commons.fileupload.*" %>

<%@ page import="org.apache.commons.io.*" %>

<%@ page import= "javax.servlet.http.HttpServletRequest.*" %>

<% boolean isMultipart = ServletFileUpload.isMultipartContent(request);

// Create a factory for disk-based file items

FileItemFactory factory = new DiskFileItemFactory();

// Create a new file upload handler

ServletFileUpload upload = new ServletFileUpload(factory);

// Parse the request

List /* FileItem */ items = upload.parseRequest(request);

// Process the uploaded items

Iterator iter = items.iterator();

while (iter.hasNext()) {

FileItem item = (FileItem) iter.next();

if (item.isFormField()) {

processFormField(item);

} else {

processUploadedFile(item);

}

}

File uploadedFile = new File("/");

item.write(uploadedFile);

%>

error:

/home/anshul/upload2/build/generated/src/org/apache/jsp/first_jsp.java:53: cannot find symbol

symbol : variable ServletFileUpload

location: class org.apache.jsp.first_jsp

boolean isMultipart = ServletFileUpload.isMultipartContent(request);

^

/home/anshul/upload2/build/generated/src/org/apache/jsp/first_jsp.java:56: cannot find symbol

symbol : class DiskFileItemFactory

location: class org.apache.jsp.first_jsp

FileItemFactory factory = new DiskFileItemFactory();

^

/home/anshul/upload2/build/generated/src/org/apache/jsp/first_jsp.java:59: cannot find symbol

symbol : class ServletFileUpload

location: class org.apache.jsp.first_jsp

ServletFileUpload upload = new ServletFileUpload(factory);

^

/home/anshul/upload2/build/generated/src/org/apache/jsp/first_jsp.java:59: cannot find symbol

symbol : class ServletFileUpload

location: class org.apache.jsp.first_jsp

ServletFileUpload upload = new ServletFileUpload(factory);

^

/home/anshul/upload2/build/generated/src/org/apache/jsp/first_jsp.java:70: cannot find symbol

symbol : method processFormField(org.apache.commons.fileupload.FileItem)

location: class org.apache.jsp.first_jsp

processFormField(item);

^

/home/anshul/upload2/build/generated/src/org/apache/jsp/first_jsp.java:72: cannot find symbol

symbol : method processUploadedFile(org.apache.commons.fileupload.FileItem)

location: class org.apache.jsp.first_jsp

processUploadedFile(item);

^

/home/anshul/upload2/build/generated/src/org/apache/jsp/first_jsp.java:76: cannot find symbol

symbol : variable item

location: class org.apache.jsp.first_jsp

item.write(uploadedFile);

^

7 errors

/home/anshul/upload2/nbproject/build-impl.xml:353: The following error occurred while executing this line:

/home/anshul/upload2/nbproject/build-impl.xml:141: Compile failed; see the compiler error output for details.

anshul_goyala at 2007-7-12 9:21:46 > top of Java-index,Enterprise & Remote Computing,Web Tier APIs...
# 3
check whether the commons library is in your classpath.
AnanSmritia at 2007-7-12 9:21:46 > top of Java-index,Enterprise & Remote Computing,Web Tier APIs...
# 4
commons library is in the classpath i have set but still the same error is coming....please help me...
anshul_goyala at 2007-7-12 9:21:46 > top of Java-index,Enterprise & Remote Computing,Web Tier APIs...