optimising

Ok im a bit pissed cus I cant optimise my client side code enough, i've broken it down

I get the ids then the dataobjects separetly
Why oh why am i Still getting
"Exception in thread main java.lang.OutofMemoryError"

I've trimmed down the code as much as possible i think there must be a memory leak somewhere.
Is the error coming from the server? do I need to change the startup params.
I'm discarding the remotesession each time, does the disconnect send a message to the server? or does it just invalidate a client side object thereby leaving the server to timeout the session data?

I havent played much with caching but im assuming that the error is client side , (however i have been unable to trace it to its source so maybe its from the server)
Is there some kind of memory leak?
perhaps i shouldnt create a session inside a for loop, im just trying to cut down on lexical scope!

Strangest of all is that the error occurs half way through traversing the list and 'getting' data from the datarecord!

Any ideas appreciated: psuedo code follows

pseudo code
DEFINE IDLIST, OBJECTLIST
NEW REMOTESESSION.GETIDS
EXTRACT DATA SET TO LIST
REMOTE SESSION DISCONNECT
FOR IDS IN LIST
NEW REMOTESESSION.GET OBJECT BY ID
ADD OBJECT TO LIST
REMOTE SESSION.DISCONNECT
END FOR