Display images stored in a bolb field?

Question

//Here is my code,but i get arrayindexoutofboundsexception? Could tell me why?
thank you!
public class LobServlet extends HttpServlet{
protected void doGet(HttpServletRequest request,HttpServletResponse response)
throws ServletException, IOException
ServletOutputStream out = response.getOutputStream();
int id = Integer.parseInt(request.getParameter("id"));
response.setContentType("image/jpeg");
out.write(getBlob(id));
out.flush();
out.close();
public byte[] getBlob(int id){
     ResultSet rs;
     DBConnect dbc = null;
String query = "SELECT blobfile FROM image WHERE id = ?";
Blob blob = null;
byte[] bytes = null;
try {
dbc = new DBConnect();
dbc.prepareStatement(query);
dbc.setInt(1, id);
rs = dbc.executeQuery();
while (rs.next()) {
blob = rs.getBlob(1);
bytes = blob.getBytes(1,(int)(blob.length()));
}catch(Exception e){
e.printStackTrace();
}finally{
          try{
               dbc.close();
          }catch(Exception e){
               e.printStackTrace();
return bytes;
}

Answer 1

Tell us where u are getting the Error. Which line in specific