windows 安装 hadoop 3.21 bug

本文主要是介绍windows 安装 hadoop 3.21 bug，对大家解决编程问题具有一定的参考价值，需要的程序猿们随着小编来一起学习吧！

https://www.cnblogs.com/alpha-cat/p/12866505.html

https://issues.apache.org/jira/browse/HDFS-14890

https://www.cnblogs.com/hang-shao/p/12860000.html

https://towardsdatascience.com/installing-hadoop-3-2-1-single-node-cluster-on-windows-10-ac258dd48aef

https://github.com/FahaoTang/big-data/blob/master/hadoop-hdfs-3.2.1.jar

https://kontext.tech/column/hadoop/377/latest-hadoop-321-installation-on-windows-10-step-by-step-guide

https://stackoverflow.com/questions/60697054/hadoop-namenode-formatting-windows-java-lang-unsupportedoperationexception

namenode.NameNode: Failed to start namenode.
java.lang.UnsupportedOperationException
        at java.nio.file.Files.setPosixFilePermissions(Files.java:2044)
        at org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.clearDirectory(Storage.java:452)
        at org.apache.hadoop.hdfs.server.namenode.NNStorage.format(NNStorage.java:591)
        at org.apache.hadoop.hdfs.server.namenode.NNStorage.format(NNStorage.java:613)
        at org.apache.hadoop.hdfs.server.namenode.FSImage.format(FSImage.java:188)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.format(NameNode.java:1206)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1649)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1759)
2021-08-10 14:10:43,776 INFO util.ExitUtil: Exiting with status 1: java.lang.UnsupportedOperationException

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