} catch (final InterruptedException e) {
                logger.warn("Interrupted to wait a process.", e);
            }
            try {
                process.destroyForcibly().waitFor(processDestroyTimeout, TimeUnit.SECONDS);
                return process.exitValue();
            } catch (final Exception e) {
                logger.error("Could not destroy a process correctly.", e);

                }
            });

            if (logger.isDebugEnabled()) {
                logger.debug("Terminating process {}.", p);
            }
            try {
                if (!p.destroyForcibly().waitFor(timeout, TimeUnit.MILLISECONDS)) {
                    logger.warn("Terminating process {} is timed out.", p);
                } else if (logger.isDebugEnabled()) {

        Thread.sleep(2000)
      }
    } finally {
      client.connectionPool.evictAll()
      client.dispatcher.executorService.shutdownNow()

      if (launch == CommandLine) {
        process?.destroyForcibly()
      }
    }
  }

  private fun sendTestRequest(request: Request) {
    try {
      if (this.launch != CommandLine) {
        println(request.url)
      }