Exception in thread “main“ java.lang.RuntimeException: org.apache.hadoop.hdfs.server.namenode.SafeMo

Exception in thread "main" java.lang.RuntimeException: org.apache.hadoop.hdfs.server.namenode.SafeMo

Fair.囧rz

4533人浏览 · 2022-03-09 16:04:01

Fair.囧rz · 2022-03-09 16:04:01 发布

hadoop非正常关闭启动了安全模式：

查看hadoop安全模式状态： hadoop dfsadmin -safemode get

结果：

[root@hadoop102 ~]# hadoop dfsadmin -safemode get
WARNING: Use of this script to execute dfsadmin is deprecated.
WARNING: Attempting to execute replacement "hdfs dfsadmin" instead.

Safe mode is ON

关闭hadoop安全模式： hadoop dfsadmin -safemode forceExit

结果：

[root@hadoop102 ~]# hadoop dfsadmin -safemode forceExit
WARNING: Use of this script to execute dfsadmin is deprecated.
WARNING: Attempting to execute replacement "hdfs dfsadmin" instead.

Safe mode is OFF