// enlist participant that wraps the requester URI.
final String participantId = "D" + new Uid().stringForm();
try
{
final Durable2PCStub participantStub = new Durable2PCStub(participantId, participantProtocolService) ;
_coordManager.enlistParticipant(new DurableTwoPhaseCommitParticipant(participantStub, participantId));
_coordManager.suspend();
return getCoordinator(participantId) ;