Web Application and Java Application

Hello,
I have a standalone Java application and a web application (JSP/Servlets) that I would like integrate. The standalone app. should send some information to my web app (which is not a problem), but then the user can be at this web app. for a while and then once he sees something he likes here, he can select it which should take him BACK to the standalone application. My question is whether something like this is possible?
If so, then how do i do it.
Also the web app and the standalone app run to 2 separate machines and 2 different JVM's.
Any kind of help will be great.
Thanks

Well let me describe the scenario in detail
We have a standalone java application that is good to search for data across an enterprise database. We also have another application which is web based and uses jsp's and servlets and is good for displaying data in different ways, let's say different kind of graps. Now the user will typically search for something using the standalone application and once he finds what he is looking for, then he might say that he wants to graph the selected data using this web application. Now this part is not too difficult as the standalone app can simply POST the selected information to the web app and the web app can then plot the graph. However, the tricky part is that this web application has the capability to allow the user to select let's say a bar and then get additional info. on that bar. Now to get this additional info. the web app. must contact the standalone app and tell it what bar was selected to get the additional info.
so my concern is how does the web app contact the standalone app. or even KNOW about this web app. Also, RMI is pretty flaky and i would much rather use web services to accomplish it. If that is the only way to go that is.
Hope that helps.

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