Retrieve data from Excel file

i am trying to retrieve data from an Excel file using servlet  
could you please tell me why this code does not work.i dont get any error while i compile,i dont get any output as well.
my code

package mypackage1;

import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.InputStream;
import java.io.IOException;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
import org.apache.poi.hssf.record.*;
import org.apache.poi.hssf.model.*;
import org.apache.poi.hssf.usermodel.*;
  //org.apache.poi.hssf.usermodel.HSSFCell

import org.apache.poi.hssf.util.*;
import org.apache.poi.poifs.eventfilesystem.POIFSReader;
import jxl.*;

 public class Test2 extends HttpServlet {
 
  public void doGet(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException
  {
    PrintWriter out = response.getWriter();
    response.setContentType("text/html");
//String path = getServletContext().getRealPath("/Book1.xsl");

try {
//FileReader objFile =new FileReader("C:/Book1.xls");
//POIFSFileSystem fs = new POIFSFileSystem(new FileInputStream("C:/Book1.xls"));
     // System.out.println(fs);
//POIFSReader pfr = new POIFSReader();
//InputStream ins = new InputStream(new FileReader("C:/Book1.xls"));


/* myxls = null;
try {
 myxls = new FileInputStream("Book1.xsl");
}*/

//HSSFWorkbook wb  = new HSSFWorkbook(ins);
//HSSFSheet sheet1 = wb.getSheetAt(1);
//HSSFCell sheet=new HSSFCell(wb,sheet1,1,1);
jxl.Workbook workbook = jxl.Workbook.getWorkbook(new File("C:/Book1.xls"));
jxl.Sheet sheet=workbook.getSheet(0);

Cell a1 = sheet.getCell(0,0);
Cell b2 = sheet.getCell(1,1);
Cell c2 = sheet.getCell(2,1);

String stringa1 = a1.getContents();
String stringb2 = b2.getContents();
String stringc2 = c2.getContents();
System.out.print(stringa1);
System.out.print(stringb2);
System.out.print(stringc2);

out.println(stringa1);
out.println(stringb2);
out.println(stringc2);


//pfr.read(ins);


} catch (FileNotFoundException e)
{
  System.out.println("File not found");
}
catch(Exception e)
{
System.out.println(e.getMessage());
}
}
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