portDB.putIfAbsent(input.getID(), input);
// if there are no fixed IPs, allocate one for each subnet in the network
INeutronSubnetCRUD systemCRUD = NeutronCRUDInterfaces.getINeutronSubnetCRUD(this);
+ if (input.getFixedIPs() == null){
+ input.setFixedIPs(new ArrayList<Neutron_IPs>());
+ }
if (input.getFixedIPs().size() == 0) {
List<Neutron_IPs> list = input.getFixedIPs();
Iterator<NeutronSubnet> subnetIterator = systemCRUD.getAllSubnets().iterator();