No output to file

Can any one tell why there is output written to file
This code receive the file path and display its contents on jsp. but nothing is displaying. when i try to write to a file i found empty file. please let me know whats the error is :


import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Scanner;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

public class DisplayLog extends HttpServlet{

private String fileOutput;
HttpSession sessionid;

public void service(HttpServletRequest request,HttpServletResponse response) throws IOException, ServletException
{

response.setContentType("text/html");
// PrintWriter out = response.getWriter();
sessionid=request.getSession();
FileWriter first = new FileWriter(new File("first1.txt"));

String path=request.getParameter("file");

first.write("The path:"+path);

Scanner scan = null;
StringBuffer buffer;
first.write("\nThe file output is");
first.close();
try {
//String p1= "c:/example/log1.txt";
buffer = new StringBuffer();
//scan = new Scanner(new File(p1), "UTF-8");
scan = new Scanner(new File(path));
String readdata = "";
while (scan.hasNext() && (readdata = scan.nextLine()) != null) {
buffer.append(readdata).append('\n');
}
fileOutput = buffer.toString();

first.write(fileOutput);
first.close();

request.setAttribute("filecontent", fileOutput);

} catch (Exception e) {
e.printStackTrace();
} finally {
//
RequestDispatcher rd = request.getRequestDispatcher("logcontent.jsp");
rd.forward(request, response);

if(scan != null) {
scan.close();
scan = null;
}
}
}
}