hadoop 从客户端的hdfs测试程序连到linux 上的hadoop（hdfs）要调用的方法

at org.apache.hadoop.ipc.Client.call(Client.java:1110)

at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:226)

at $Proxy0.getProtocolVersion(Unknown Source)

at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:398)

at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:384)

at org.apache.hadoop.hdfs.DFSClient.createRPCNamenode(DFSClient.java:111)

at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:213)

at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:180)

at org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:89)

at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:1514)

at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:67)

at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:1548)

at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:1530)

at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:228)

at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:111)

at com.cloudwave.server.hadoop.HdfsTest.<clinit>(HdfsTest.java:42)

附

at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)

at sun.nio.ch.SocketChannelImpl.finishConnect(Unknown Source)

at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)

at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:408)

at org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:425)

at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:532)

at org.apache.hadoop.ipc.Client$Connection.access$2300(Client.java:210)

at org.apache.hadoop.ipc.Client.getConnection(Client.java:1247)

at org.apache.hadoop.ipc.Client.call(Client.java:1078)