分支:master
MyInvoker类63行 if (hasException == false)  是否可以改成 if (!hasException) 
BlockMyInvoker类43行 if (hasException == false)  是否可以改成 if (!hasException) 
LegacyInvoker类62行if (hasException == false)  是否可以改成 if (!hasException) 
PerformanceClientFixedTest类83行 if (client != null && client.isConnected() == false)
是否可以改成 if (client != null && !client.isConnected() )
第一次提交issue，如有错误，请指正，感谢
if (PerformanceUtils.getProperty("server", null) == null) {
            logger.warn("Please set -Dserver=127.0.0.1:9911");
            return;
        }
        final String server = System.getProperty("server", "127.0.0.1:9911");
        final String transporter = PerformanceUtils.getProperty(Constants.TRANSPORTER_KEY, Constants.DEFAULT_TRANSPORTER);
        final String serialization = PerformanceUtils.getProperty(Constants.SERIALIZATION_KEY, Constants.DEFAULT_REMOTING_SERIALIZATION);
        final int timeout = PerformanceUtils.getIntProperty(TIMEOUT_KEY, DEFAULT_TIMEOUT);
        
        final int connectionCount = PerformanceUtils.getIntProperty(CONNECTIONS_KEY, 1);
        
        
        
        
        final String url = "exchange://" + server + "?transporter=" + transporter + "&serialization=" + serialization + "&timeout=" + timeout;
        
        Random rd = new Random(connectionCount);
        ArrayList<ExchangeClient> arrays = new ArrayList<ExchangeClient>();
        String oneKBlock = null;
        String messageBlock = null;
        int s = 0;
        int f = 0;
        System.out.println("initialize arrays " + url);
        while (s < connectionCount) {
            ExchangeClient client = null;
            try {
                System.out.println("open connection " + s + " " + url + arrays.size());
                client = Exchangers.connect(url);
                System.out.println("run after open");