Create file failure when the machine of first attempted NameNode is down

test Environment: NN1,NN2,DN1,DN2,DN3
machine1:NN1,DN1
machine2:NN2,DN2
machine3:DN3

mathine1 is down.

2013-01-12 09:51:21,248 DEBUG ipc.Client (Client.java:setupIOstreams(562)) - Connecting to /160.161.0.155:8020
2013-01-12 09:51:38,442 DEBUG ipc.Client (Client.java:close(932)) - closing ipc connection to vm2/160.161.0.155:8020: 10000 millis timeout while waiting for channel to be ready for connect. ch : java.nio.channels.SocketChannel[connection-pending remote=/160.161.0.155:8020]
java.net.SocketTimeoutException: 10000 millis timeout while waiting for channel to be ready for connect. ch : java.nio.channels.SocketChannel[connection-pending remote=/160.161.0.155:8020]
at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:213)
at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:524)
at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:489)
at org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:474)
at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:568)
at org.apache.hadoop.ipc.Client$Connection.access$2000(Client.java:217)
at org.apache.hadoop.ipc.Client.getConnection(Client.java:1286)
at org.apache.hadoop.ipc.Client.call(Client.java:1156)
at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:184)
at $Proxy9.create(Unknown Source)
at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.create(ClientNamenodeProtocolTranslatorPB.java:187)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:165)
at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:84)
at $Proxy10.create(Unknown Source)
at org.apache.hadoop.hdfs.DFSOutputStream.<init>(DFSOutputStream.java:1261)
at org.apache.hadoop.hdfs.DFSOutputStream.newStreamForCreate(DFSOutputStream.java:1280)
at org.apache.hadoop.hdfs.DFSClient.create(DFSClient.java:1128)
at org.apache.hadoop.hdfs.DFSClient.create(DFSClient.java:1086)
at org.apache.hadoop.hdfs.DistributedFileSystem.create(DistributedFileSystem.java:232)
at org.apache.hadoop.hdfs.DistributedFileSystem.create(DistributedFileSystem.java:75)
at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:806)
at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:787)
at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:715)
at test.TestLease.main(TestLease.java:45)
2013-01-12 09:51:38,443 DEBUG ipc.Client (Client.java:close(940)) - IPC Client (31594013) connection to /160.161.0.155:8020 from hdfs/hadoop@HADOOP.COM: closed
2013-01-12 09:52:47,834 WARN retry.RetryInvocationHandler (RetryInvocationHandler.java:invoke(95)) - Exception while invoking class org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.create. Not retrying because the invoked method is not idempotent, and unable to determine whether it was invoked
java.net.SocketTimeoutException: Call From szxy1x001833091/172.0.0.13 to vm2:8020 failed on socket timeout exception: java.net.SocketTimeoutException: 10000 millis timeout while waiting for channel to be ready for connect. ch : java.nio.channels.SocketChannel[connection-pending remote=/160.161.0.155:8020]; For more details see: http://wiki.apache.org/hadoop/SocketTimeout
at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:743)
at org.apache.hadoop.ipc.Client.call(Client.java:1180)
at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:184)
at $Proxy9.create(Unknown Source)
at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.create(ClientNamenodeProtocolTranslatorPB.java:187)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:165)
at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:84)
at $Proxy10.create(Unknown Source)
at org.apache.hadoop.hdfs.DFSOutputStream.<init>(DFSOutputStream.java:1261)
at org.apache.hadoop.hdfs.DFSOutputStream.newStreamForCreate(DFSOutputStream.java:1280)
at org.apache.hadoop.hdfs.DFSClient.create(DFSClient.java:1128)
at org.apache.hadoop.hdfs.DFSClient.create(DFSClient.java:1086)
at org.apache.hadoop.hdfs.DistributedFileSystem.create(DistributedFileSystem.java:232)
at org.apache.hadoop.hdfs.DistributedFileSystem.create(DistributedFileSystem.java:75)
at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:806)
at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:787)
at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:715)
at test.TestLease.main(TestLease.java:45)
Caused by: java.net.SocketTimeoutException: 10000 millis timeout while waiting for channel to be ready for connect. ch : java.nio.channels.SocketChannel[connection-pending remote=/160.161.0.155:8020]
at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:213)
at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:524)
at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:489)
at org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:474)
at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:568)
at org.apache.hadoop.ipc.Client$Connection.access$2000(Client.java:217)
at org.apache.hadoop.ipc.Client.getConnection(Client.java:1286)
at org.apache.hadoop.ipc.Client.call(Client.java:1156)
... 20 more
java.net.SocketTimeoutException: Call From szxy1x001833091/172.0.0.13 to vm2:8020 failed on socket timeout exception: java.net.SocketTimeoutException: 10000 millis timeout while waiting for channel to be ready for connect. ch : java.nio.channels.SocketChannel[connection-pending remote=/160.161.0.155:8020]; For more details see: http://wiki.apache.org/hadoop/SocketTimeout
at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:743)
at org.apache.hadoop.ipc.Client.call(Client.java:1180)
at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:184)
at $Proxy9.create(Unknown Source)
at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.create(ClientNamenodeProtocolTranslatorPB.java:187)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:165)
at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:84)
at $Proxy10.create(Unknown Source)
at org.apache.hadoop.hdfs.DFSOutputStream.<init>(DFSOutputStream.java:1261)
at org.apache.hadoop.hdfs.DFSOutputStream.newStreamForCreate(DFSOutputStream.java:1280)
at org.apache.hadoop.hdfs.DFSClient.create(DFSClient.java:1128)
at org.apache.hadoop.hdfs.DFSClient.create(DFSClient.java:1086)
at org.apache.hadoop.hdfs.DistributedFileSystem.create(DistributedFileSystem.java:232)
at org.apache.hadoop.hdfs.DistributedFileSystem.create(DistributedFileSystem.java:75)
at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:806)
at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:787)
at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:715)
at test.TestLease.main(TestLease.java:45)
Caused by: java.net.SocketTimeoutException: 10000 millis timeout while waiting for channel to be ready for connect. ch : java.nio.channels.SocketChannel[connection-pending remote=/160.161.0.155:8020]
at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:213)
at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:524)
at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:489)
at org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:474)
at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:568)
at org.apache.hadoop.ipc.Client$Connection.access$2000(Client.java:217)
at org.apache.hadoop.ipc.Client.getConnection(Client.java:1286)
at org.apache.hadoop.ipc.Client.call(Client.java:1156)
... 20 more
2013-01-12 09:54:52,269 DEBUG ipc.Client (Client.java:stop(1021)) - Stopping client