how to store and retrieve doc and pdf files from data base using struts2

[Sabzar]

Hi every buddy.. i need to store resume in mysql data base and also retrieve to display it in jsp page .what the data type should i use for database. i tried it as a blob type. and in action class i tried to store it as
String fn="file path ......";
File file = new File(fn);
fis = new FileInputStream (file);
ps=conn.prepare Statement("inse rt into filetable(FileN ame) values(?)");

ps.setBinaryStr eam(1, fis, (int) file.length());
also i tried
ps.setAsciiStre am(1, fis, (int) file.length());

.. pls help me out