Hi swathi
i am sending source code, this is working properly...

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<%@ page language="java" import="java.util.*,java.sql.*,java.text.*"%>
<%@ page language="java" import="java.io.File,java.util.regex.*"%>
<%@ page language="java" import="org.apache.commons.fileupload.servlet.ServletFileUpload"%>
<%@ page language="java" import="org.apache.commons.fileupload.disk.DiskFileItemFactory"%>
<%@ page language="java" import="org.apache.commons.fileupload.*"%>
<%@ page language="java" contentType="text/html;charset=UTF-8"%>

<%!
String pname="";
String catname="";
String amount="";
int count1=0,count2=0,count3=0;
%>
<%
boolean isMultipart = ServletFileUpload.isMultipartContent(request);
//System.out.println("request: "+request);
if (!isMultipart) {
System.out.println("File Not Uploaded");
} else {
FileItemFactory factory = new DiskFileItemFactory();
ServletFileUpload upload = new ServletFileUpload(factory);
List items = null;

try {
items = upload.parseRequest(request);
//System.out.println("items: "+items);
} catch (FileUploadException e) {
e.printStackTrace();
}
Iterator itr = items.iterator();
while (itr.hasNext()) {
FileItem item = (FileItem) itr.next();
if (item.isFormField()){
String name = item.getFieldName();
//System.out.println("name: "+name);
String value = item.getString();
//System.out.println("value: "+value);
if(name.equals("pname")){
pname=value;
//System.out.println(pname);
count1=1;
}
if(name.equals("catname")){
catname=value;
//System.out.println(catname);
count2=2;
}
if(name.equals("amount")){
amount=value;
//System.out.println(amount);
count3=3;
}

} else {
try {
String itemName = item.getName();
Random generator = new Random();
int r = Math.abs(generator.nextInt());

String reg = "[.*]";
String replacingtext = "";
System.out.println("Text before replacing is:-" + itemName);
Pattern pattern = Pattern.compile(reg);
Matcher matcher = pattern.matcher(itemName);
StringBuffer buffer = new StringBuffer();
while (matcher.find()) {
matcher.appendReplacement(buffer, replacingtext);
}
int IndexOf = itemName.indexOf(".");
String domainName = itemName.substring(IndexOf);
//System.out.println("domainName: "+domainName);

String finalimage = buffer.toString()+"_"+r+domainName;
System.out.println("Final Image==="+finalimage);

File savedFile = new File(config.getServletContext().getRealPath("/")+"images\\"+finalimage);
System.out.println("--------"+config.getServletContext().getRealPath("/"));
item.write(savedFile);

Connection conn = null;
String url = "jdbc:mysql://localhost:3306/";;
String dbName = "cataloguedb";
String driver = "com.mysql.jdbc.Driver";
String username = "root";
String userPassword = "root";
String strQuery = null;

try {
//System.out.println("itemName::::: "+itemName);
Class.forName(driver).newInstance();
conn = DriverManager.getConnection(url+dbName,username,userPassword);
Statement st = conn.createStatement();
strQuery = "insert into product set catcode='"+catname+"', name='"+pname+"',price='"+amount+"', imageurl='"+finalimage+"'";
int rs = st.executeUpdate(strQuery);
//System.out.println("Query Executed Successfully++++++++++++++");
} catch (Exception e) {
System.out.println(e.getMessage());
} finally {
conn.close();
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
%>
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thanks...