File not found

byte[] buffer = new byte[totalBytesRead];

 try{

        FileOutputStream fos = new FileOutputStream(destFolder+emp_code+".zip");
        ZipOutputStream zos = new ZipOutputStream(fos);
        ZipEntry ze= new ZipEntry(destFolder+emp_code+".doc");
        zos.putNextEntry(ze);
        FileInputStream in1 = new FileInputStream(svefile);
        int len;
        while ((len = in1.read(buffer)) > 0) {
            zos.write(buffer, 0, len);
        }

        in1.close();
        zos.closeEntry();

        //remember close it
        zos.close();

    }                       
        catch(Exception e)
        {

%>
                        <script>
                        alert("&lt;%=e.getMessage()%> ");
                        history.back();
                        </script>

&lt;%

this is my code part getting an error "emp_code.doc"(specified file not found)