org.apache.hadoop.hdfs.server.namenode.SafeModeException: Cannot delete

原因是namenode处在安全模式下 不能删除
执行:

hadoop dfsadmin -safemode leave

退出安全模式即可

25/03/28 18:37:39 ERROR namenode.fsNamesystem: fsNamesystem initialization failed.java.io.IoException: Invalidconfiguration: a shared edits dir must not be specified if HA isnot enabled.at org.apache.hadoop.hdfs.server.namenode.fsNamesystem.<init>(fsNamesystem.java:762)at org.apache.hadoop.hdfs.server.namenode.FsNamesystem.<init>(FsNamesystem.java:697)at org.apache.hadoop.hdfs.server.namenode.NameNode.format(NameNode.java:985.at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1434)at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1559)25/03/28 18:37:39 INF0 namenode.FSNamesystem: stopping services started for active state25/03/28 18:37:39 INFOnamenode.FsNamesystem: stopping services started for standby state25/03/28 18:37:39 WARN namenode.NameNode: Encountered exception during format:shared edits dir must not be specified if HA is not enabled.java.io.IoException: Invalidconfiquration:at org.apache.hadoop.hdfs.server.namenode.fsNamesystem.<init>(FsNamesystem.java:762)at org.apache.hadoop.hdfs.server.namenode.fsNamesystem.<init>(fsNamesystem.java:697)at org.apache.hadoop.hdfs.server.namenode.NameNode.format(NameNode.java:985)at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode. java:1434)at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:155925/03/28 18:37:39 ERRoR namenode.NameNode: Failed to start namenode.java.io.IoException: Invalidconfiguration: a shared edits dir must not be specified if HA isnot enabled.at org.apache.hadoop.hdfs.server.namenode.fSNamesystem.<init>(FSNamesystem.java:762)at org.apache.hadoop.hdfs.server.namenode.FsNamesystem.<init>(FSNamesystem.java:697)at org.apache.hadoop.hdfs.server.namenode.NameNode.format(NameNode.java:985at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1434)at org.apache.h 我要启动高可用模式,但是格式化namenode的时候一直报这种错误是为啥啊
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