我正在尝试在Windows 2012服务器上安装hadoop 2.8.1，我已经使用命令格式化了namenode：hdfs namenode -format，并且工作了，我去使用start-dfs来获取hdfs，但是我得到了这个错误讯息：
17/10/26 12:42:53 ERROR datanode.DataNode: Exception in secureMain
java.lang.UnsatisfiedLinkError:
org.apache.hadoop.io.nativeio.NativeIO$Windows.a
ccess0(Ljava/lang/String;I)Z
at org.apache.hadoop.io.nativeio.NativeIO$Windows.access0(Native Method)
at org.apache.hadoop.io.nativeio.NativeIO$Windows.access(NativeIO.java:6
06)
at org.apache.hadoop.fs.FileUtil.canRead(FileUtil.java:958)
at org.apache.hadoop.util.DiskChecker.checkAccessByFileMethods(DiskCheck
er.java:203)
at org.apache.hadoop.util.DiskChecker.checkDirAccess(DiskChecker.java:19
0)
at org.apache.hadoop.util.DiskChecker.checkDir(DiskChecker.java:173)
at org.apache.hadoop.hdfs.server.datanode.DataNode$DataNodeDiskChecker.c
heckDir(DataNode.java:2572)
at org.apache.hadoop.hdfs.server.datanode.DataNode.checkStorageLocations
(DataNode.java:2614)
at org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode
.java:2596)
at org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(D
ataNode.java:2489)
at org.apache.hadoop.hdfs.server.datanode.DataNode.createDataNode(DataNo
de.java:2536)
at org.apache.hadoop.hdfs.server.datanode.DataNode.secureMain(DataNode.java:2721)