distributed-v2/src/main/java/com/orientechnologies/orient/distributed/impl/ONodeManager.java
protected void start() {
    try {
      initNetwork();
      initReceiveMessages();
      initDiscoveryPing();
      initCheckLeader();
      initCheckDisconnect();
    } catch (Exception ex) {
      OLogManager.instance().error(this, "Cannot start distributed node discovery: " + ex.getMessage(), ex);
    }
  }
protected void start() {
    try {
      initNetwork();
      initReceiveMessages();
      initDiscoveryPing();
      initCheckLeader();
      initCheckDisconnect();
    } catch (Exception ex) {
      OLogManager.instance().error(this, "Cannot start distributed node discovery: " + ex.getMessage(), ex);
    }
  }
/* =============== START/STOP =================