Forward only works within a context
-Original Message-
From: Ron Crayton [mailto:[EMAIL PROTECTED]
Sent: 11 April 2005 19:36
To: tomcat-user@jakarta.apache.org
Subject: RequestDispatcher.forward() to doc located on HTTP Server
Is it possible to use Request.forward() to forward
= getServletConfig().getServletContext();
String uri = request.getQueryString();
ServletContext foreignContext = context.getContext(/);
RequestDispatcher requestDispatcher = foreignContext.getRequestDispatcher(uri);
requestDispatcher.forward(request, response);
The uri comes from the query string
(/);
RequestDispatcher requestDispatcher = foreignContext.getRequestDispatcher(uri);
requestDispatcher.forward(request, response);
The uri comes from the query string of the original request.
When the code runs it says that the requested resource is not available - Error 404.
Am I trying to do something
Thanks to Tim and Remy for the answers;
For more explanations for those who have the same problem like me :
- see bugs 23211 and 33831 on http://issues.apache.org/bugzilla/
- In my example,
after ctx = ctx.getContext(/myNewContext);
but before dispatcher =
Hi,
(I work on Tomcat 5.0.30).
When my servlet (http://myVhost/proxy/testProxy) forward to another servlet :
try {
ServletContext ctx = getServletContext();
ctx = ctx.getContext(/myNewContext);
RequestDispatcher dispatcher = ctx.getRequestDispatcher(/myNewServlet);
getRequestDispatcher() will always return a servlet. (The default servlet)
-Tim
Lionel Farbos wrote:
Hi,
(I work on Tomcat 5.0.30).
When my servlet (http://myVhost/proxy/testProxy) forward to another servlet :
try {
ServletContext ctx = getServletContext();
ctx = ctx.getContext(/myNewContext);
Yes : it's my problem.
ctx.getContext(/myNewContext) always return a Context (even if myNewContext
is not deployed :-(
and
ctx.getRequestDispatcher(/myNewServlet) always return a dispatcher (even if
myNewServlet is not here :-(
So How can I avoid a 404 ?
On Wed, 02 Mar 2005 10:24:37 -0500
Tim
I use RequestDispatcher.forward(path) and the original requestUri get lost.
If it is suppoused to do so, is there a way to get the original requestUri after the
forward?
Mit freundlichen Grüßen
Michael Nitschke
MBI Institut für Marketingberatung AG
Hietzinger
Message-
From: Nitschke Michael [mailto:[EMAIL PROTECTED]
Sent: Tuesday, May 25, 2004 4:37 AM
To: [EMAIL PROTECTED]
Subject: RequestDispatcher.forward() forgets requestUri
I use RequestDispatcher.forward(path) and the original requestUri get lost.
If it is suppoused to do so, is there a way
as it was the
initial request from the client?
mfg
Michael Nitschke
-Original Message-
From: Shapira, Yoav [mailto:[EMAIL PROTECTED]
Sent: Tuesday, May 25, 2004 2:57 PM
To: Tomcat Users List
Subject: RE: RequestDispatcher.forward() forgets requestUri
Hi,
I strongly suggest (to anyone
Hi,
Isn't it supposed that the RequestDispatcher forwards the Request as it
was
the initial request from the client?
No: that's one key distinction between the RequestDispatcher and
HttpServletResponse#sendRedirect.
Yoav
This e-mail, including any attachments, is a confidential business
Im using the Invokerservlet.
mfg
Michael Nitschke
-Original Message-
From: Nitschke Michael
Sent: Tuesday, May 25, 2004 3:54 PM
To: Tomcat Users List
Subject: RE: RequestDispatcher.forward() forgets requestUri
But in the API is written that this Abbributes are reset between requests
hate to spend the time
on it if I'm just trying to do the impossible or the dumb.
Ken
-Original Message-
From: Tim Funk [mailto:[EMAIL PROTECTED]
Sent: Thursday, December 04, 2003 9:21 PM
To: Tomcat Users List
Subject: Re: RequestDispatcher.forward to cgi?
Just curious ... what
-
From: Tim Funk [mailto:[EMAIL PROTECTED]
Sent: Thursday, December 04, 2003 9:21 PM
To: Tomcat Users List
Subject: Re: RequestDispatcher.forward to cgi?
Just curious ... what are the errors?
-Tim
Januski, Ken wrote:
I've finally managed to get cgi working in Tomcat. Now I need to forward
from
Thanks Tim,
I'll keep working on it then and see where it gets me.
Ken
-Original Message-
From: Tim Funk [mailto:[EMAIL PROTECTED]
Sent: Friday, December 05, 2003 12:54 PM
To: Tomcat Users List
Subject: Re: RequestDispatcher.forward to cgi?
I would think that the CGI servlet would
I've finally managed to get cgi working in Tomcat. Now I need to forward
from a servlet to a cgi page. But both RequestDispatcher.forward and
RequestDispatcher.include are failing. I'm not surprised that include does
but I thought it might be possible with forward.
Since this is part of a large
Just curious ... what are the errors?
-Tim
Januski, Ken wrote:
I've finally managed to get cgi working in Tomcat. Now I need to forward
from a servlet to a cgi page. But both RequestDispatcher.forward and
RequestDispatcher.include are failing. I'm not surprised that include does
but I thought
Hi all,
I have problem in using RequestDispatcher.forward() from servlets. My
knowledge is that even after calling this method servlet continues
processing the request and thus executes rest of the service method. But I
have seen that if a servlet is forwarding to same servlet it stops
Actually I have to remove a textbox element from a form.
Antony Paul
- Original Message -
From: Antony Paul [EMAIL PROTECTED]
To: Tomcat Users List [EMAIL PROTECTED]
Sent: Saturday, November 15, 2003 5:33 PM
Subject: please explain behavior of Requestdispatcher.forward()
Hi all,
I
Antony,
I have problem in using RequestDispatcher.forward() from servlets. My
knowledge is that even after calling this method servlet continues
processing the request and thus executes rest of the service method.
Your understanding is correct -- it's just a method call that returns.
But I
I have noticed that, too, while preparing a WebLogic web application to
run on Tomcat.
The code of ApplicationDispatcher says:
strongIMPLEMENTATION NOTE/strong: This implementation assumes that
no filters are applied to a forwarded or included resource, because
they were already done for the
I've written a Filter to get applied to all page requests so that I can
perform some access control and logging.
However, when a servlet redirects using the forward() method of
RequestDispatcher, it doesn't seem to go through the filter.
If needed, I can call the Filter manually before I do
Filters are only run once for the incoming request. See the archives for
more information.
-Tim
Karl Kraft wrote:
I've written a Filter to get applied to all page requests so that I can
perform some access control and logging.
However, when a servlet redirects using the forward() method of
Hi,
I have the NullPointerException thrown by forward method of RequestDispatcher object.
Code line that does that:
// value of page parameter is /view/errors/paramErrors.jsp
getServletContext().getRequestDispatcher(page).forward(request, response);
Basically, it is inside
Hello,
I've been trying to use the following procedure to forward a request from my
servlet to a CGI program within the same application space
getServletContext().getRequestDispatcher(/cgi-bin/my_cgi_prog).forward(request,response);
... which results in the following error
Servlet
PROTECTED]
To: Tomcat Users List [EMAIL PROTECTED]
Subject: Unable to use RequestDispatcher.forward() for HTML pages when in Tomcat 4
Date: 2/21/02 8:06:31 PM
Hello all,
I am able to use the RequestDispatcher forward control from one JSP page to another.
However I am unable to forward to HTML pages
Hi Sriram,
Try changing the .html extension to .jsp extensionThis should work
if your JSP pages work :-)
Dmitry
Sriram Narayanan wrote:
Hello all,
I am able to use the RequestDispatcher forward control from one JSP page to another.
However I am unable to forward to HTML pages.
From
Hello all,
I am able to use the RequestDispatcher forward control from one JSP page to another.
However I am unable to forward to HTML pages.
From what I read in the Servlet API spec (there's an example for /garden/ etc) and
the docs for RequestDispatcher(), one should indeed be
able to
Narayanan [mailto:[EMAIL PROTECTED]]
Sent: February 21, 2002 09:37
To: Tomcat Users List
Subject: Unable to use RequestDispatcher.forward() for HTML pages when
in Tomcat 4
Hello all,
I am able to use the RequestDispatcher forward control from
one JSP page to another. However I am unable
At 06:46 AM 12/11/01, you wrote:
On Sat, 10 Nov 2001, Matt Egyhazy wrote:
i have seen very, very, very bad code written
for applications that use jsp.
You should see some of the horrible servlet-based code I've also had to
look at. People that are bound and determined to shoot
Could somebody tell me if this behavior by design and if so why:
The following fragment forwards a request to main application page:
//---
String main = /index.jsp;
//String main = /;
RequestDispatcher dispatcher
=
On Sun, 11 Nov 2001, Vladimir Grishchenko wrote:
Date: Sun, 11 Nov 2001 18:30:37 -0800
From: Vladimir Grishchenko [EMAIL PROTECTED]
Reply-To: Tomcat Users List [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: RequestDispatcher.forward() ?
Hi there,
Could somebody tell me
For the life of me I can't get this to work or the
.include function. Here is my code:
public class HelloWorldExample extends HttpServlet {
public void doGet(HttpServletRequest request,
HttpServletResponse response)
throws IOException, ServletException
{
Or, more specifically:
http://java.sun.com/j2ee/tutorial/api/index.html
You'll find RequestDispatcher in the All Classes frame.
-Original Message-
From: Rob S. [mailto:[EMAIL PROTECTED]]
Sent: Friday, August 24, 2001 7:55 AM
To: [EMAIL PROTECTED]
Subject: Re: RequestDispatcher.forward
Can you please explain to me how to use RequestDispatcher.forward()?
Regards,
Yuval
Domain The Net Technologies Ltd.
6 Weitzman Blvd.
Ramat-Hasharon
Israel 47211
Tel: 972-3-5474443
Fax: 972-3-5474446
www.DomainTheNet.com
This email message and any attachments hereto are intended only for use
Can you please explain to me how to use RequestDispatcher.forward()?
Yikes... you're better off searching Google or picking up a book on servlets. Or
heck, you could read the servlet api javadoc comments =)
- r
I'm using RequestDispatcher.forward() in one servlet to forward a request to
another servlet (or JSP page). I would like the URL for the forwarded
servlet or JSP page to show up in the client's browser rather than the
original request URL. Is this possible and how can it be accomplished
]
Subject: Using RequestDispatcher.forward() and changing browser URL
I'm using RequestDispatcher.forward() in one servlet to forward a
request to
another servlet (or JSP page). I would like the URL for the forwarded
servlet or JSP page to show up in the client's browser rather than
30, 2001 6:38 PM
To: [EMAIL PROTECTED]
Subject: RE: response.sendRedirect vs. requestDispatcher.forward
If you webserver is serving in /usr/local/apache/htdocs, you are redirecting
to /usr/local/apache/htdocs/login.jsp, which is handled in this example by
apache, who doesn't know anything about
Hi Andy!
Just a fine point here.
A Yang wrote:
RequestDispatch.forward takes a URL that is a RELATIVE
path but also requires a leading slash.
From the javadoc of ServletRequest.getRequestDispatcher(String):
'The pathname specified may be relative, although it cannot extend
outside the
:[EMAIL PROTECTED]]
Sent: Thursday, May 31, 2001 3:26 PM
To: [EMAIL PROTECTED]
Subject: RE: response.sendRedirect vs. requestDispatcher.forward
So what is the correct way to redirect? I have started using
relative links
to redirect and it seems to fix the problem. Is this just coincidence
Message-
From: Alex Fernandez [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, May 29, 2001 4:57 PM
To: [EMAIL PROTECTED]
Subject: Re: response.sendRedirect vs.
requestDispatcher.forward
Conceptually, requestDispatcher.forward() is
different from
response.sendRedirect().
In forward
Message-
From: A Yang [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, May 30, 2001 1:13 PM
To: [EMAIL PROTECTED]
Subject: RE: response.sendRedirect vs. requestDispatcher.forward
Hi,
Thanks for the help. As it turns out, switching
between requestDispath.forward and response.redirect
will trip you
-
From: Brandon Cruz [mailto:[EMAIL PROTECTED]]
Sent: Thursday, May 31, 2001 1:31 AM
To: [EMAIL PROTECTED]
Subject: RE: response.sendRedirect vs. requestDispatcher.forward
Has anyone figured out why response.sendRedirect(/login.jsp)
will not work
when using apache-tomcat with mod_jk? It gets
of a sequence of pages/servlets, but I
wanted to replace it with
response.sendRedirect(/Result.jsp);
instead. The result page prints out the contents of
several javabeans which are stored in the session.
This worked fine when all I used were
requestDispatcher.forward but with
response.sendRedirect
Conceptually, requestDispatcher.forward() is different from
response.sendRedirect().
In forward(), you are moving inside the same webapp, and as such it
doesn't even reach the client browser. The session is maintained.
In sendRedirect(), you're instead moving across webapps, and it's
Try this one:
response.sendRedirect(response.encodeRedirectUrl(/Result.jsp));
-Ursprüngliche Nachricht-
Von: A Yang [mailto:[EMAIL PROTECTED]]
Gesendet: Dienstag, 29. Mai 2001 16:21
An: [EMAIL PROTECTED]
Betreff: response.sendRedirect vs. requestDispatcher.forward
snip
: Tuesday, May 29, 2001 4:57 PM
To: [EMAIL PROTECTED]
Subject: Re: response.sendRedirect vs. requestDispatcher.forward
Conceptually, requestDispatcher.forward() is different from
response.sendRedirect().
In forward(), you are moving inside the same webapp, and as such it
doesn't even reach
Let's say I have a site where I map every URL to the same servlet,
there's something like this in my web.xml
servlet-mapping
servlet-namebob/servlet-name
url-pattern*/url-pattern
/servlet-mapping
This precludes me from having anything else on my site, which is ok
with me, almost. My
-
From: Eric Lubin [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Friday, May 18, 2001 8:58 AM
Subject: Re: RequestDispatcher.forward()
package com.ibm.servconn;
import java.net.*;
import java.io.*;
import java.util.*;
import com.ibm.aurora.*;
public class URLForward
hi!
my problem is, that i have a 'virtual' url that is
a servlet, and a mapping from that virtual url
to a 'real' url outside of the servletcontext.
i want the user never to use or bookmark the
'real' url but allways the 'virtual'.
the .forward()-method would be a cool solution to
manage this,
are you shobhit sati from india?
sorry if I am wrong
Raj
-Original Message-
From: Sebastian Schulz [mailto:[EMAIL PROTECTED]]
Sent: Friday, May 18, 2001 2:24 PM
To: [EMAIL PROTECTED]
Subject: RequestDispatcher.forward()
hi!
my problem is, that i have a 'virtual' url that is
a servlet
???
are you shobhit sati from india?
sorry if I am wrong
no ;-)
basti
hi,
has somebody a work-around to produce the
same behavior as if RequestDispatcher.forward()
would work with absolute URL's?
tanks in advance!
basti
Title: RE: RequestDispatcher.forward()
ServletContext.getRequestDispatcher(java.lang.String path) takes absolute path beginign with / though the path must be relative to the current context.
You will have to use getContext(java.lang.String uripath) to get a foreign Context and then use
to [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
cc:
Subject: RequestDispatcher.forward()
hi,
has somebody a work-around to produce the
same behavior as if RequestDispatcher.forward()
would work with absolute URL's?
tanks in advance!
basti
secure ssl (https) connections also with the JSSE jar files -- and it's
very easy to setup and use.
Thanks,
--jeff
- Original Message -
From: Eric Lubin [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Friday, May 18, 2001 8:58 AM
Subject: Re: RequestDispatcher.forward()
package
for a
session id in the path parameter, if a RequestDispatcher.forward(...)
should be processed, and cuts it (;jsessionid=xyz24356).
But this isn't a nice solution !!!
QUESTION:
Why doesn't work a forward with an URL with a jsessionid ?
Thanks in advance,
Ralf Zimmerer.
(temporary at Dresdner
I am running Tomcat 3.2.1.
I am getting the following error.
javax.servlet.ServletException: Cannot forward as OutputStream or Writer
has already been obtained
My code is quite simple. The jsp that I am including, example1.jsp,
does not write anything to the
output buffer.
%
think this was my error in reasoning, that i have to
use a forward when using sessions)
thank you again,
bAs T.
Rob Tanner schrieb:
When you do a RequestDispatcher.forward(), that's an internal
operation, and not a redirect send back to the browser. In the latter
case, the browser initiates
Hi Sebastian,
Sebastian Schulz wrote:
is there a trick to anyhow get some related behavior
with forward to work?
or is this not necessary, because i can access the
original session object at the second
page in the case of a redirect as well?
I think so. If you want to send an error,
hi,
i have a problem with RequestDispatcher.forward():
if the url contains an anchor like "example.jsp#position1"
then forwarding seams to be be all right (no error, exception ...),
but the 'new' page has no content.
i tried to forward to a url with parameters like
"example
PROTECTED]
Subject: RequestDispatcher.forward()-Problem with anchors
hi,
i have a problem with RequestDispatcher.forward():
if the url contains an anchor like "example.jsp#position1"
then forwarding seams to be be all right (no error, exception ...),
but the 'new' page has no co
When you do a RequestDispatcher.forward(), that's an internal
operation, and not a redirect send back to the browser. In the latter
case, the browser initiates a new GET request to the new URL. In the
former case, the page at the RequestDispatcher.forward() address is
simply sent
Title: Problem with RequestDispatcher.forward() and mutlipart/form-data request
I have a very strange problem with the RequestDispatcher.forward()
command. I am trying to forward to a very simple JSP from within
a servlet after handling a request of type=multipart/form-data.
I am using
Andrew Kerr wrote:
Hello,
I've been having a bit of trouble with the RequestDispatcher.forward()
method. If I try to forward to a URL with a query string on it, and
then have some code that processes the forwarded request, the
getQueryString() method does not return the query string
Hello,
I've been having a bit of trouble with the RequestDispatcher.forward()
method. If I try to forward to a URL with a query string on it, and
then have some code that processes the forwarded request, the
getQueryString() method does not return the query string. However, the
parameters
--Original Message-
From:paul marshal [EMAIL PROTECTED]
Sent:Wed, 21 Feb 2001 16:48:26 +0100
To: [EMAIL PROTECTED]
Subject: Re: RequestDispatcher.forward() problem
Andrew Kerr wrote:
Hello,
I've been having a bit of trouble with the RequestDispatcher.forward()
method.
that was forwarded
to did not change the response.
Is multiple forward within a servlet not supported/allowed?
Bill
"Craig R. McClanahan" wrote:
William Au wrote:
Is there any way in Tomcat 3.2.1 for the control to return to a servlet
after its
call to RequestDispatcher.forward() is completed?
To: [EMAIL PROTECTED]
Subject: Re: RequestDispatcher.forward() in Tomcat 3.2.1
You are right. Control does return to the calling servlet. It just
couldn't
write to the response. It would be nice if an exception was thrown.
After control returns to the calling servlet, I try forwarding to a seco
Is there any way in Tomcat 3.2.1 for the control to return to a servlet
after its
call to RequestDispatcher.forward() is completed? That is the behavior
of
WebLogic 5.1.0. I want my code to work on the same way running under
both. I am aware of the RequestDispatcher.include() method.
Bill
William Au wrote:
Is there any way in Tomcat 3.2.1 for the control to return to a servlet
after its
call to RequestDispatcher.forward() is completed?
Control *does* return -- RequestDispatcher.forward() is a normal Java
method call.
However, the servlet spec prohibits you from modifying
]
Subject: RequestDispatcher.forward() in Tomcat 3.2.1
Is there any way in Tomcat 3.2.1 for the control to return to a servlet
after its
call to RequestDispatcher.forward() is completed? That is the behavior
of
WebLogic 5.1.0. I want my code to work on the same way running under
both. I am aware
I will try to be brief, but this will need to explanation.
1) I was going to search the archives , but the search engine is down, so
please don't flame to bad.
I have jsps, that refer to database objects that have been populated by a
servlet and then forwarded to the jsp.
Looking at the code
That's how it works
-Original Message-
From: David Rees [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, December 06, 2000 5:13 PM
To: [EMAIL PROTECTED]
Subject: RE: Is their a bug in Tomcat with the
RequestDispatcher.forward(url) method?
A forward is an internal redirect, the client never
in Tomcat with the
RequestDispatcher.forward(url) method?
A forward is an internal redirect, the client never
sees it (and therefore
never updates the URL in the status bar of the
browser).
Tomcat is working properly, and it sounds like
Weblogic is doing a redirect
and is broken.
-Dave
-Original Message--
Quenten Van Egeren wrote:
Thanks for the replies, I knew that the forward did an
internal redirect, I was just confused as to why
Weblogic was doing it one way and Tomcat another.
So the next question is :
what is the easiest way to do something like a
response.sendRedirect() and still
]'
Subject: RE: question about RequestDispatcher.forward() in tomcat
I wrote a small MVC framework and I have my controller mapped to a common
name like "dispatch.htm" and I send all requests directly to it, with a
parameter specifying the action. So, all the requests are always like:
It's working fairly well.
Wellington Silva
UN/FAO
-Original Message-
From: Chen, Kevin [mailto:[EMAIL PROTECTED]]
Sent: 09 November 2000 00:32
To: '[EMAIL PROTECTED]'
Subject: question about RequestDispatcher.forward() in tomcat
I am trying to implement a MVC system. the controlle
page developer to include template.jsp. I want it be
enforced by the controller. So that jsp page developer can concentrate
on their task only.
The implementation of RequestDispatcher.forward()/include() does not
looks right to me. I mean if the jsp page comes from my controller,
it should not go back
there wasn't any bypassing.
Jin
-Original Message-
From: Chen, Kevin [mailto:[EMAIL PROTECTED]]
Sent: Thursday, November 09, 2000 10:20 AM
To: '[EMAIL PROTECTED]'
Subject: RE: question about RequestDispatcher.forward() in tomcat
I want to centralized security check for each jsp page
PROTECTED]]
Sent: Thursday, November 09, 2000 9:32 AM
To: '[EMAIL PROTECTED]'
Subject: RE: question about RequestDispatcher.forward() in tomcat
Kevin,
many moons ago and before struts, we implemented something
that looks similar to what you are seeking. We mapped a uri(no extensions)
that went
What I do in the Struts framework http://jakarta.apache.org/struts,
which implements the MVC pattern you are talking about, is map a
different extension for the logical actions (normally, these will be the
values you use for hyperlinks and form submits). I like to use "*.do"
because it implies
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