Sharing object across 2 different web application

Hello,
     I do not know if this is a right place to ask this kind of question...
     I have two different web applications running on 2 different tomcat servers.
     One of them creates one object ( say myComplexClassObject) which is serializable..
     and I want to share this object in another web applications.
     Both the apps are developed using JSP and servlets.
     Is there any way, I can make this object available in another application ?
     As the request object can not be used across 2 different contexts, I can not set it as attribute on request.
     I tried serializing myComplexClassObject in some test.dat. Problem going by this way is that
     how do I send this file to another application ?
     What I did is as follows....
     In the first app , I created the object and serialized it in one file test.dat. In the same app I read
     test.dat and send the content as query parameter to a JSP in another app. That JSP collects all the query parameters
     and constructs a big string out of it and then writes it to a file, test2.dat and tries to deserialize this.
     File sizes come out to be same. But it gives me StreamCorruptedException.
     Any idea, where I am doing wrong ? or any other way to share this object or to send the file to another app?
     I can not use FTP for some reasons. Size of the test.dat file is more than 10 KB.

Some possible solutions:
Use a webservice calls to pass the object,
Use JAXB to convert the object to XML, pass the XMLover HTTP or a socket and use JAXB to convert the XML back into an object.
Store the object as a blob in a database.
Store the object in a Java aware database that can handle Java objects.
Store the data in the object in a database.
I am curious as to what information ot functionality is contained in this object that you feel the need to pass it between two servers.

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I'm sure this topic must come up fairly frequently, but try as I might, I couldn't find a satisfying answer for what I'm looking for.
I have an object that loads a very large in-memory datastructure from disk early in its lifetime, after which time the datastructure is read-only.
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dougcook wrote:
Brynjar wrote:
One question though, is something preventing you from just using a database to store and serve this structure?Mainly performance. The structure gets accessed an unbelievable number of times inside an already compute-bound bit of code (that takes days to run as it is). That would also be my concern with RMI; you're right, I could serve up individual requests for bits of data (looking much like a database), but then I'd worry that the overhead of RMI would kill me. Thus the hope that I can somehow just share the read-only memory between JVMs.
Edited by: dougcook on Feb 8, 2009 9:54 AMIf you need fast access to all of the structure in multiple applications concurrently, then I think you're out of luck using RMI as well, or any other socket based communication for that matter, for the same performance reason. How large is this structure and how is is currently loaded? Also, do the applications need to be separate? You would be able to share the memory if they were all running within the same jvm.

Sharing object across 2 different web application

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