<%@page import="java.io.*"%>
<%@page import="java.util.*"%>
<%@page import="org.apache.poi.hssf.usermodel.HSSFSheet"%>
<%@page import="org.apache.poi.hssf.usermodel.HSSFWorkbook"%>
<%@page import="org.apache.poi.hssf.usermodel.HSSFRow"%>
<%@page import="org.apache.poi.hssf.usermodel.HSSFCell"%>


<%
 short a=0;
  short b=1;
  short c=2;
  short d=3;
  int i=0;
   String   value1="", value2="",value3=" ", value4="";
   //String filename ="C:\\Users\\hp\\Desktop\\Book1.xls";
   String filename=request.getParameter("excel");

    if (filename != null && !filename.equals("")) {
    try{
    FileInputStream fs =new FileInputStream(filename);
    HSSFWorkbook wb = new HSSFWorkbook(fs);
       HSSFSheet sheet = wb.getSheetAt(0);
    int rows  = sheet.getPhysicalNumberOfRows();
    out.println(rows);
    for (int r = 0; r < rows; r++){
    HSSFRow row   = sheet.getRow(r);
    HSSFCell cell1  = row.getCell(0);

      value1 = cell1.getStringCellValue();
      out.println(value1);


    }
    }
    catch(Exception e){
    System.out.println(e); 
    }
    }
    %>

when i gave full path name i got excel data but when file uploading not getting the excel data