code: @Override
      public void start() {
          synchronized (this.lifecycleMonitor) {
              if (!isRunning()) {
                  log.info("start: Starting ConnectorManager");
                  try {
                      connector.start();
                  } catch (ConfigError | RuntimeError ex) {
                      throw new ConfigurationException(ex.getMessage(), ex);
                  } catch (Throwable ex) {
                      throw new IllegalStateException("Could not start the connector", ex);
                  }
  
                  running = true;
              }
          }
      }
docs: Start the connector, accepting new connections