Thanks..... now works fine!
Cheers,
Papo
----- Original Message -----
From: "I Wayan Saryada" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Sunday, December 02, 2001 1:49 AM
Subject: Re: Servlet & Mysql
> Hi,
>
> To make sure that your database connection is closed
> add the finally block, so it would be like this:
>
> try {
> // your code here
> //
>
> // you close your db connection here
> rs.close();
> stmt.close();
> conn.close();
> } catch (Exception e) {
>
> } finally {
> // make sure it's closed
> if (rs != null) rs.close();
> if (stmt != null) stmt.close();
> if (conn != null) conn.close();
> }
>
> regards,
> Wayan
>
> -----Original Message-----
> From: Papo Napolitano [mailto:[EMAIL PROTECTED]]
> Sent: Sunday, December 02, 2001 5:55 AM
> To: [EMAIL PROTECTED]
> Subject: Servlet & Mysql
>
>
> Hi!
>
> I've written the following Servlet to read an Image from a Mysql Database
> and send it to the browser.
>
> public class ImageServlet extends HttpServlet {
> public void doGet(HttpServletRequest request,HttpServletResponse
response)
> throws ServletException, IOException {
> try {
> InitialContext jndiContext = new InitialContext();
> DataSource ds = (DataSource)jndiContext.lookup("java:/mySQLDS") ;
> Connection conn = ds.getConnection() ;
> Statement stmt = conn.createStatement();
> ResultSet rs = stmt.executeQuery("SELECT image from docs where idx=" +
> request.getParameter("idx"));
>
> if (rs.next()) {
> response.setContentType("image/gif");
> PrintWriter out = response.getWriter();
> out.println(rs.getString("file" + request.getParameter("idximg")));
> response.flushBuffer();
> }
>
> rs.close();
> stmt.close();
> conn.close();
> ds = null ;
>
> } catch(Exception e){
> response.setContentType("text/html");
> PrintWriter out = response.getWriter();
> out.println("Error: "+e);
> }
> }
> }
>
>
> It works fine, but I've seen that it leaves mysql instances opened in my
> server... Any idea ???
>
> Cheers,
>
> Papo
>
>
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