踩坑

遇到了以下报错

22/08/17 17:50:37 FATAL 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$Windows.access(NativeIO.java:557)
        at org.apache.hadoop.fs.FileUtil.canWrite(FileUtil.java:996)
        at org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.analyzeStorage(Storage.java:490)
        at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverStorageDirs(FSImage.java:308)
        at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:202)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFSImage(FSNamesystem.java:1020)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFromDisk(FSNamesystem.java:739)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.loadNamesystem(NameNode.java:536)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:595)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:762)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:746)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1438)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1504)

大部分都是说需要安装winutils ，但是本人百分百确定是覆盖了安装依旧报错
最后在CSDN找到了原因
因为自己他妈装了个32位Java（心想反正就这点RAM）

解决方案

Hadoop运行在Win上需要winutils和64位Java,得记着

Last modification：January 31, 2024
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