上述错误表明存在权限问题.您必须确保 hadoop 用户对/usr/local/hadoop 具有适当的权限.为此，您可以尝试:

The errors above suggest a permissions problem. You have to make sure that the hadoop user has the proper privileges to /usr/local/hadoop. For this purpose you can try:

   sudo chown -R hadoop /usr/local/hadoop/

或

   sudo chmod 777 /usr/local/hadoop/