1. 问题
Caused by: org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.hdfs.server.namenode.SafeModeException): Cannot create directory /tmp/hive/root/153df88d-1ef5-401b-bd81-d3026412e732. Name node is in safe mode.
2. 执行:
hdfs dfsadmin -safemode leave