/** Loops on processing a client forever */
    public void run() {
      TProcessor processor = null;
      TTransport inputTransport = null;
      TTransport outputTransport = null;
      TProtocol inputProtocol = null;
      TProtocol outputProtocol = null;
      try {
        processor = processorFactory_.getProcessor(client_);
        inputTransport = inputTransportFactory_.getTransport(client_);
        outputTransport = outputTransportFactory_.getTransport(client_);
        inputProtocol = inputProtocolFactory_.getProtocol(inputTransport);
        outputProtocol = outputProtocolFactory_.getProtocol(outputTransport);
        // we check stopped_ first to make sure we're not supposed to be shutting
        // down. this is necessary for graceful shutdown.
        while (!stopped_ && processor.process(inputProtocol, outputProtocol)) {}
      } catch (TTransportException ttx) {
        // Assume the client died and continue silently
      } catch (TException tx) {
        LOGGER.error("Thrift error occurred during processing of message.", tx);
      } catch (Exception x) {
        LOGGER.error("Error occurred during processing of message.", x);
      }

      if (inputTransport != null) {
        inputTransport.close();
      }

      if (outputTransport != null) {
        outputTransport.close();
      }
    }
  public void serve() {
    try {
      serverTransport_.listen();
    } catch (TTransportException ttx) {
      LOGGER.error("Error occurred during listening.", ttx);
      return;
    }

    stopped_ = false;
    while (!stopped_) {
      int failureCount = 0;
      try {
        TTransport client = serverTransport_.accept();
        WorkerProcess wp = new WorkerProcess(client);
        try {
          executorService_.execute(wp);
        } catch (RejectedExecutionException ree) {
          ++failureCount;
          LOGGER.warn("Execution rejected.", ree);
          client.close();
        }
      } catch (TTransportException ttx) {
        if (!stopped_) {
          ++failureCount;
          LOGGER.warn("Transport error occurred during acceptance of message.", ttx);
        }
      } catch (Error e) {
        if (!stopped_) {
          ++failureCount;
          LOGGER.warn("Uncaught error.", e);
        }
      }
    }

    executorService_.shutdown();

    // Loop until awaitTermination finally does return without a interrupted
    // exception. If we don't do this, then we'll shut down prematurely. We want
    // to let the executorService clear it's task queue, closing client sockets
    // appropriately.
    long timeoutMS = options_.stopTimeoutUnit.toMillis(options_.stopTimeoutVal);
    long now = System.currentTimeMillis();
    while (timeoutMS >= 0) {
      try {
        executorService_.awaitTermination(timeoutMS, TimeUnit.MILLISECONDS);
        break;
      } catch (InterruptedException ix) {
        long newnow = System.currentTimeMillis();
        timeoutMS -= (newnow - now);
        now = newnow;
      }
    }
  }