code: protected void disconnectServiceUpIsRunning() {
          if (serviceProcessIsRunning != null) serviceProcessIsRunning.stop();
          // set null so the SERVICE_UP enricher runs (possibly removing it), then remove so
          // everything is removed
          // TODO race because the is-running check may be mid-task
          setAttribute(SERVICE_PROCESS_IS_RUNNING, null);
          removeAttribute(SERVICE_PROCESS_IS_RUNNING);
      }
docs: For disconnecting the {@link #SERVICE_UP} feed.
  <p/>
  Should be called from {@link #disconnectSensors()}.
  
  @see #connectServiceUpIsRunning()