datanode.DataNode: Invalid dfs.datanode.data.dir F:\hadoop-2.7.1\hadoop-2.7.1\etc\hadoop\data\namenode : 0: Unknown error

toodey.com | 2 months ago
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    Hadoop installation on windows without cygwin in 10 mints – TooDey

    toodey.com | 2 months ago
    datanode.DataNode: Invalid dfs.datanode.data.dir F:\hadoop-2.7.1\hadoop-2.7.1\etc\hadoop\data\namenode : 0: Unknown error

    Root Cause Analysis

    1. datanode.DataNode

      Invalid dfs.datanode.data.dir F:\hadoop-2.7.1\hadoop-2.7.1\etc\hadoop\data\namenode : 0: Unknown error

      at org.apache.hadoop.io.nativeio.NativeIO$POSIX.chmod()
    2. Hadoop
      DiskChecker.checkDir
      1. org.apache.hadoop.io.nativeio.NativeIO$POSIX.chmod(NativeIO.java:241)
      2. org.apache.hadoop.fs.RawLocalFileSystem.setPermission(RawLocalFileSystem.java:724)
      3. org.apache.hadoop.fs.FilterFileSystem.setPermission(FilterFileSystem.java:502)
      4. org.apache.hadoop.util.DiskChecker.mkdirsWithExistsAndPermissionCheck(DiskChecker.java:140)
      5. org.apache.hadoop.util.DiskChecker.checkDir(DiskChecker.java:156)
      5 frames
    3. Apache Hadoop HDFS
      DataNode.main
      1. org.apache.hadoop.hdfs.server.datanode.DataNode$DataNodeDiskChecker.checkDir(DataNode.java:2344)
      2. org.apache.hadoop.hdfs.server.datanode.DataNode.checkStorageLocations(DataNode.java:2386)
      3. org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:2368)
      4. org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:2260)
      5. org.apache.hadoop.hdfs.server.datanode.DataNode.createDataNode(DataNode.java:2307)
      6. org.apache.hadoop.hdfs.server.datanode.DataNode.secureMain(DataNode.java:2484)
      7. org.apache.hadoop.hdfs.server.datanode.DataNode.main(DataNode.java:2508)
      7 frames