did you put a
return;
after your forward? If not the jsp will continue running...
Charlie
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, January 02, 2002 2:30 PM
> To: Tomcat Users List
> Subject: Re: Servlet running twice at the same moment.
>
>
>
> Glad someone brought this up. Seems as though some of my jsp
> pages are
> being executed twice. It doesn't seem to send information to
> the browser
> twice, but it is causing havoc on my logic. I can see
> System.outs being
> executed twice and any logic / methods are being executed
> twice. In my
> case it seems as though the jsp:forward is in some way causing the
> behavior.
>
> If anyone else has run across this situation, I would
> definitely like to
> know what is going on and how to resolve this issue.
>
> I'm also using IE 5.x, tomcat 3.2.x and linux. If code is
> needed, I'll
> have to send tomorrow.
>
> Thanks in advance............
>
> kb
>
>
>
>
>
> Robin Lee
>
> <tech_support To: Tomcat Users
> List <[EMAIL PROTECTED]>
> @uls.com> cc:
>
> Subject: Re:
> Servlet running twice at the same moment.
> 01/02/02
>
> 11:12 AM
>
> Please
>
> respond to
>
> Tomcat Users
>
> List
>
>
>
>
>
>
>
>
> Well, that depends on which code you would like to see? The
> login code is
> pretty basic...
>
> Here's is my validateLoginServlet...
> I am using a type4 jdbc driver (thinweb.tds driver).
>
> import Common.dbfiles.*;
>
> import java.io.*;
> import java.util.*;
> import java.sql.*;
> import javax.servlet.*;
> import javax.servlet.http.*;
>
> public class ValidateLoginServlet extends HttpServlet
> {
> public void service(HttpServletRequest req, HttpServletResponse res)
> throws IOException
> {
> String errorCode = "";
>
> try
> {
> // get a connection
> Class c = Class.forName("com.thinweb.tds.Driver");
> Connection dbConn =
> DriverManager.getConnection("jdbc:twtds:sqlserver://[removed];user
> =[removed]
> ;password=[removed];TDS=7.0");
> // instantiate data objects
> DBCustomersSet customersSet = new
> DBCustomersSet(dbConn,"Customers");
> //DBCustomers customers = new DBCustomers();
>
> // Now set the where clause to get the member (using setFilter)
> customersSet.setFilter("LoginID='" +
> req.getParameter("LoginID") + "'");
>
> Vector customersQuery = customersSet.query();
> //Create a session.
> HttpSession session = req.getSession(true);
> //Now let's see if any records were returned.
> if (customersQuery != null && !customersQuery.isEmpty())
> {
> customersSet.firstRecord();
>
> //DBCustomers cust = (DBCustomers) custSet.record();
> DBCustomers theCustomer = (DBCustomers) customersSet.record();
> //DBCustomers theCustomer =
> (DBCustomers)customersQuery.elementAt(0);
>
> //Now we want to check the password.
> if
> (theCustomer.getPassword().equals(req.getParameter("Password")))
> {
> session.setAttribute("theCustomer",theCustomer);
> errorCode = "0";
> System.out.println("UserID: " + theCustomer.getLoginID() +
> " has logged in.");
> customersSet.userLoggedIn();
> }
> else
> {
> //Wrong password, set the errorCode to 1.
> errorCode = "1";
> }
> }
> else
> {
> //Not found, set the errorCode to 2.
> errorCode = "2";
> }
> session.setAttribute("errorCode",errorCode);
> //System.out.println("ValidateLoginServlet errorCode: " +
> errorCode);
> dbConn.close();
> }
> catch (SQLException sqle)
> {
> System.out.println("Sql Exception: " + sqle);
> }
> catch (ClassNotFoundException cnfe)
> {
> System.out.println(cnfe);
> }
> catch (ArrayIndexOutOfBoundsException aioobe)
> {
> System.out.println(aioobe);
> }
> }
> }
>
> In this case, it shows "userid has logged in". At times it
> will do it just
> once, but other times it will do it twice... Did i add
> something in here
> that shouldn't be?
>
> Thanks.
> ----- Original Message -----
> From: "Micael Padraig Og mac Grene" <[EMAIL PROTECTED]>
> To: "Tomcat Users List" <[EMAIL PROTECTED]>
> Sent: Wednesday, January 02, 2002 11:50 AM
> Subject: Re: Servlet running twice at the same moment.
>
>
> > At 12:00 PM 1/2/02 -0700, you wrote:
> > >Hello,
> > >
> > >I don't know why this is happening, but... It seems like
> whenever I run
> a
> > >single servlet, there are times it will run twice. As in, this...
> > >...Robin
> >
> > Robin, there is no way to have any clue why this is
> happening without
> > seeing the code. Micael
> >
> >
> > --
> > To unsubscribe:
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