private static void startWorkflow() {
    XmlRpcWorkflowManagerClient client = null;
    try {
      client = new XmlRpcWorkflowManagerClient(new URL("http://localhost:" + WM_PORT));
    } catch (Exception e) {
      fail(e.getMessage());
    }

    try {
      client.sendEvent("long", new Metadata());
    } catch (Exception e) {
      LOG.log(Level.SEVERE, e.getMessage());
      throw new RuntimeException(e);
    }
  }