Category : hadoop

I have installed single node cluster of Hadoop on my windows PC. All the services are working fine except for nodemanager. It is throwing error and shutting down. Here is the error: 2021-06-18 11:00:33,907 ERROR nodemanager.NodeManager: Error starting NodeManager java.lang.UnsatisfiedLinkError: org.apache.hadoop.io.nativeio.NativeIO$POSIX.stat(Ljava/lang/String;)Lorg/apache/hadoop/io/nativeio/NativeIO$POSIX$Stat; This error goes on and on but that’s what is causing it to fail. ..

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There are many similar questions on stack overflow but none of them solves my problem. I’m trying to start my namenode and datanode, of which namenode starts working but datanode fails alongwith resource manager and node manager. Here is the error that shows up: 2021-06-17 15:44:09,513 ERROR datanode.DataNode: Exception in secureMain org.apache.hadoop.util.DiskChecker$DiskErrorException: Too many failed ..

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I’m running Hadoop on windows and I’m trying to submit an MRJob but it comes back with the error Found 2 unexpected arguments on the command line. (cmtle) d:>python norad_counts.py -r hadoop –hadoop-streaming-jar C:hadoop-3.3.0sharehadooptoolslibhadoop-streaming-3.3.0.jar all_files.txt No configs found; falling back on auto-configuration No configs specified for hadoop runner Looking for hadoop binary in C:hadoop-3.3.0binbin… Looking ..

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WebHDFS service in Kerberized secure cluster throws authentication exception while accessing from any browser in Windows platform. Issue occurs with Hadoop 3.2.1 source configured with Windows 10 client machines and Windows 2012 R2 AD machine. Java 1.8.0_25 version has been used in the cluster. HDFS and Yarn services were started successfully but issue occurs only ..

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I was trying to install Hadoop and run a simple sample program Datanode started only for "1" – one time and then I started getting this error 2021-01-06 23:48:25,610 INFO checker.ThrottledAsyncChecker: Scheduling a check for [DISK]file:/C:/hadoop/sbin/datanode 2021-01-06 23:48:25,666 WARN checker.StorageLocationChecker: Exception checking StorageLocation [DISK]file:/C:/hadoop/sbin/datanode java.lang.UnsatisfiedLinkError: org.apache.hadoop.io.nativeio.NativeIO$POSIX.stat(Ljava/lang/String;)Lorg/apache/hadoop/io/nativeio/NativeIO$POSIX$Stat; at org.apache.hadoop.io.nativeio.NativeIO$POSIX.stat(Native Method) at org.apache.hadoop.io.nativeio.NativeIO$POSIX.getStat(NativeIO.java:608) at org.apache.hadoop.fs.RawLocalFileSystem$DeprecatedRawLocalFileStatus.loadPermissionInfoByNativeIO(RawLocalFileSystem.java:823) at org.apache.hadoop.fs.RawLocalFileSystem$DeprecatedRawLocalFileStatus.loadPermissionInfo(RawLocalFileSystem.java:737) ..

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