Adapter Message Based Partitioning

Hi,
I'm trying to investigate the use of partitioning without much success. I have set up two publishing AQ adapters with a partition created on both, routing event1 via first partition (on adapter1) and routing event2 via the second partition (on adapter2). There is no in order delivery required across events and both events are subscribed to by the same application.
However when i publish event1 and event2 they are not being picked up by the appropriate adapter, adapter1 picks up some event2 messages and adapter2 picks up some event1 messages. The adapters then error as the message does not comply with the event based routing set up. (AQ Adapter: ** Error ** there was no OAI message corresponding to the message dequeued from the AQ. Please check your Event Map rules in iStudio.... ).
I've had a look at the 10g documentation (we're using OAI 10.1.2) but its not very useful.
Does anyone have any experience of partitioning or is my problem simply that i can not have more than 1 AQ adapter dequeueing from a queue?
Thanks
Carol

Thanks for your reply,
As far as i'm aware having multiple adapter instances means that the adapters need to be installed within different oracle homes and we wanted to steer clear of that.
My problem was related to incorrect configuration within iStudio, once this was corrected the publishing worked fine. The following parameters were set within the adapter.ini files
partition=P1
agent_subscriber_name=<adapter1>P1
agent_message_selector=recipient_list like '%,<adapter1>P1,%'
Application name remained unchanged (application=<adapter1>)
I'm now looking at pure load balancing partitioning and while the publishing adapters are working correctly the subscribe adapters are not.
I've set up a PL/SQL subscribe adapter with one partition, however when i send a message across both the original adapter and the partition adapter are picking up the message resulting in the message being processed twice into the database. The adapter.ini files are configured exactly the same as the publishing adapters so have no idea why they're not working.
thanks
Carol

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