DemoDurableParticipant p4 = new DemoDurableParticipant();
ut.begin();
try {
tm.enlistForDurableTwoPhase(p1, p1.identifier());
tm.enlistForDurableTwoPhase(p2, p2.identifier());
tm.enlistForDurableTwoPhase(p3, p3.identifier());
tm.enlistForDurableTwoPhase(p4, p4.identifier());
} catch (Exception eouter) {
try {
ut.rollback();