Without being a Tomcat expert I don't think that is possible like that.
On the other hand it looks just like what happens when you buy something
online 1. You go to a webshop and put something in your cart, 2. you are
redirected to a payment site (ie. quickpay.com), 3. after payment you
are redirected back to the webshop and confirmation is showed.
What really happens (as far as I remember) is, that when you redirect
from server1 you give as parameter what is called a return URL, this is
the address of the page shown in step 3 above (confirmation). Part of
this URL is some variable that enables you to tell who the user is (ie.
sessionID). When server2 is finished it will send a redirect to the
client, redirecting it to the return URL server1 gave it. Part of the
redirect URL send by server2 is another variable (callback/status) that
enables server1 to make a request directly to server2 to fetch whatever
it needs (ie. xml markup or a simple string). This last step is used by
webshops to check against the payment site that the user actually did
put in correct creditcard details and not just cancelled, before
returning to the confirmation page.
I think what you are looking for is exactly that. F1 submits to Server_2
(perhaps including session ID or something else uniquely identifying the
user). When Servlet_2 completes it redirects to JSP_1 giving some URL as
a parameter (ie.
redirect-url-to-Server_1.com?callback=some-url-with-unique-identifier).
Then JSP_1 can open a connection and retrieve the user-specific
message/object (if the object can somehow be transfered, normally this
requires either Serializable interface, some kind of xml markup to
recreate the object or something else like that) .
Hope it helps you out!
Med venlig hilsen/Kind regards
Casper W. Schmidt
Den 29-08-2012 13:30, Léa Massiot skrev:
I posted mistakenly in the "Tomcat" forum instead of here "Tomcat-User" (I
just moved my thread).
Can you help me?
Best regards.
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