On Fri, 24 Jan 2003, Mike Jackson wrote:
>
> I've had problems with something in a similar way, I have a login page in
> which if the login is successfull it will while send back a redirect to the
> client. That redirect is supposed to go to the menu page for the webapp,
> but because the jsp is not only sending the header back, but some content
> (several blank lines) I have found that some versions on IE will become
> confused and ignore the redirect. My solution was to move the login into a
> servlet and then to have the servlet send the redirect without sending any
> content (it's better practice to do that anyway).
>
If you're sending a redirect from a servlet (or a filter) via Java code,
you must do a "return" statement afterwards to avoid sending the rest of
the content that would otherwise be sent:
response.sendRedirect(...);
return;
Same thing goes if you are (shudder) doing the redirect from within a JSP
page:
<%
response.sendRedirect(...);
return;
%>
> So, in the end, I'm not clear on how filters work exactly (haven't needed to
> use them yet), but when you're using the header type redirect you need to
> make sure that you're not going to send back anything other than the
> redirect. If you do send something most clients will work properly, but
> some won't.
>
> --mikej
Craig
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