docs: private void initChannelStatus() {
          String path = null;
          try {
              path = StagePathUtils.getChannel(getPipelineId());
              byte[] bytes = zookeeper.readData(path);
              initChannelStatus(bytes);
          } catch (ZkNoNodeException e) {
              channelStatus = ChannelStatus.STOP;
              permitSem();
          } catch (ZkException e) {
              logger.error(path, e);
          }
      }