Web client to obtain data from 2 servers [newbie question]

Hi,
Please let me know if this is the wrong category to put this.

I am attempting to create a web application(using jsp, servlets, maybe javabeans too) that
can connect to 2 different servers hosted externally.

question 1: should i do this(as i just tried it) <form action="https://www.abcd.com/servlet/XYZLoginServlet" method="post">
<input type="text" name="username"> , <input type="text" name="password"> in my GoToSite.jsp file.
or
should i place these 3 strings in a GotoSiteServlet.java file?

basically should the jsp "deal" with the connecting, and handling of the response object. or should that really be a Servlet.java role?

question 2: Server A specifically indicates to provide those 2 parameters and call their loginServlet. but with the response object returned, either to the JSP or the Servlet file(whichever i ultimately choose), how would i dismantle the returned object to get specific info? a direct connect/startup of the app on Server A provides many dropdown lists that users can choose. Server A app also does not provide any APIs, so not sure how to call methods thru the Server A app to get info required. No permissions granted to connect to database hosting Server's data either.

question 3: application on Server B can only be accessed if i'm on VPN. is it possible to establish a connection using jsp,servlet,beans technology in java for my app?

in view of these, is this an impossible or over-the-top(OTT) application to get created?

if not OTT, how long would it take to create this bearing in mind, i'm VERY new to this.

any comments/suggestions is most appreciated!

thank you!

Even if you were experienced this would be a problem.

#3 strikes me as a showstopper. You aren't going to able to access something behind a (VPN) firewall. You'll need to talk to the server people about a way to open it up. Or more likely to export the data someplace where it can be accessed.

hello,

thanks for the comments.

so aside from ths vpn issue(assuming i can get past that),
do you think the web app(all other aspects of it) is really quite a task(more than 3months?)
for a novice to create?

I suggest looking at the HttpClient toolkit - open source java from the Apache commons project.

Here is a place to start.

Bill