OptionGroup servers = new OptionGroup();
servers.addOption(new Option("nonblocking", false, "Use the TNonblockingServer. This implies the framed transport."));
servers.addOption(new Option("hsha", false, "Use the THsHaServer. This implies the framed transport."));
servers.addOption(new Option("threadpool", false, "Use the TThreadPoolServer. This is the default."));
options.addOptionGroup(servers);
CommandLineParser parser = new PosixParser();
CommandLine cmd = parser.parse(options, args);
/**