How does BPEL connect to JMS??

Hi All,
I have a BPEL process which basically logs a message into a JMS Q..This process runs forever and when ever a new message is to be logged we return the same instance instead of a new instace..
Now a couple of questions I have on this is -
How does the connection to JMS work,is it like there is 1 conncetion for the entire BPEL process which is used every time I wanna add a new message,or is it like a new connection is created and destroyed with every invioke to the JMS..
I need to make sure a instance of this process already exist so that I can return the same,is there any way my parent process can chek if there is an instance of the child process and if yes it will call that instance ,if No then it will create a new instance..
Is there any way I can initiate a BPEL process through ant?
It would be grt if any 1 can throw some light on these.. thnx..
Regards,
Akshatha

Each JMS queue/topic has a single persistent image. Any reference to that queue through the relevant connection factory returns the reference to the same instance.
There may be many different queues, but each is uniquely identified by its jndi name.
Name each of your JMS queues differently for each separate endpoint you wish to consume messages from.
You could use ant to initiate a process by invoking the web-service sending a soap message to the url for the processes web-service. I use soap-ui or the BPEL Console to manually do the initiation, and to determine what makes up the soap packet that is forwarded to the web service. I am not aware of any task that does this for you so you would have to construct a http type target yourself.

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