* the port
*/
private void cleanUpDeadServer(String host, int port) {
String wildKey = "_" + host + Constants.SLASH + port;
ServerRegistry serverRegistry = AppContext.getServerRegistry();
Set<String> keySet = serverRegistry.keySet();
for (String key : keySet) {
try {
if (key.endsWith(wildKey)) {
Server server = serverRegistry.getServer(key);