Не удалось запустить nodemanager и datamanager на start-all.cmd или start-dfs.cmd .
Я добавил все необходимые переменные в переменную среды, как в пользовательской переменной
- HADOOP_HOME -> C: \ hadoop-2.8.0 \ bin
- JAVA_HOME -> C: \ Program Files (x86) \ Java \ jdk1.8.0_191
В пути
19/05/06 15:17:56 INFO util.GSet: capacity = 2^15 = 32768 entries
19/05/06 15:17:56 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$Windows.access(NativeIO.java:606)
at org.apache.hadoop.fs.FileUtil.canWrite(FileUtil.java:977)
at org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.analyzeStorage(Storage.java:505)
at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverStorageDirs(FSImage.java:317)
at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:210)
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFSImage(FSNamesystem.java:1012)
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFromDisk(FSNamesystem.java:691)
at org.apache.hadoop.hdfs.server.namenode.NameNode.loadNamesystem(NameNode.java:634)
at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:695)
at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:898)
at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:877)
at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1603)
at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1671)
19/05/06 15:17:56 INFO util.ExitUtil: Exiting with status 1
19/05/06 15:17:56 INFO namenode.NameNode: SHUTDOWN_MSG:
/************************************************************
SHUTDOWN_MSG: Shutting down NameNode at DESKTOP-NCOP97O/192.168.1.122```