}
// have a message to send to the master, so grab a connection
masterHost = getMasterAddress();
iface = masterConnection(masterHost);
TServiceClient client = (TServiceClient) iface;
// if while loop does not execute at all and mm != null, then
// finally block should place mm back on queue
while (!serverStopRequested && mm != null && client != null && client.getOutputProtocol() != null
&& client.getOutputProtocol().getTransport() != null && client.getOutputProtocol().getTransport().isOpen()) {
try {
mm.send(SecurityConstants.systemCredentials, getClientAddressString(), iface);
mm = null;
} catch (TException ex) {
log.warn("Error sending message: queuing message again");