Windows启动HDFS报错 - org.apache.had

1. 环境

• 操作系统: Windows 7
• Hadoop版本: 2.6.0

2. 问题描述

Windows 7 环境下启动 HDFS，执行 start-dfs.cmd 出现 org.apache.hadoop.io.nativeio.NativeIO$Windows.access0(Ljava/lang/String;I)Z报错信息如下：

2020-10-13 16:59:34,528 ERROR namenode.NameNode: Failed to start namenode.
java.lang.UnsatisfiedLinkError: org.apache.hadoop.io.nativeio.NativeIO$Windows.access0(Ljava/lang/String;I)Z
        at org.apache.hadoop.io.nativeio.NativeIO$Windows.access0(Native Method)
        at org.apache.hadoop.io.nativeio.NativeIO$Windows.access(NativeIO.java:606)
        at org.apache.hadoop.fs.FileUtil.canWrite(FileUtil.java:971)
        at org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.analyzeStorage(Storage.java:613)
        at org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.analyzeStorage(Storage.java:573)
        at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverStorageDirs(FSImage.java:365)
        at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:221)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFSImage(FSNamesystem.java:1072)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFromDisk(FSNamesystem.java:704)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.loadNamesystem(NameNode.java:665)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:727)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:950)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:929)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1653)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1720)
2020-10-13 16:59:34,532 INFO util.ExitUtil: Exiting with status 1: java.lang.Uns
atisfiedLinkError: org.apache.hadoop.io.nativeio.NativeIO$Windows.access0(Ljava/
lang/String;I)Z
2020-10-13 16:59:34,534 INFO namenode.NameNode: SHUTDOWN_MSG:
/************************************************************
SHUTDOWN_MSG: Shutting down NameNode at jfp/172.18.16.27
************************************************************/

3.解决方案

下载对应版本的 hadoop.dll 放到 ./bin 目录下

下载地址 https://github.com/4ttty/winutils