def one = message1.EmployeeDataReplicationConfirmation.EmployeeDataReplicationConfirmation.collect { it.personId.text() }
def two = message2.EmployeeDataReplicationConfirmation.EmployeeDataReplicationConfirmation.collect { it.personId.text() }
def intersect = one.intersect(two)
print((one - intersect) + (two - intersect))