2008-04-14 19:44:43,240 ERROR org.apache.hadoop.hbase.HMaster: Can not start master
java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
	at org.apache.hadoop.hbase.HMaster.doMain(HMaster.java:3329)
	at org.apache.hadoop.hbase.HMaster.main(HMaster.java:3363)
Caused by: java.net.SocketTimeoutException: timed out waiting for rpc response
	at org.apache.hadoop.ipc.Client.call(Client.java:514)
	at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:198)
	at org.apache.hadoop.dfs.$Proxy0.getProtocolVersion(Unknown Source)
	at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:291)
	at org.apache.hadoop.dfs.DFSClient.createNamenode(DFSClient.java:128)
	at org.apache.hadoop.dfs.DFSClient.<init>(DFSClient.java:151)
	at org.apache.hadoop.dfs.DistributedFileSystem.initialize(DistributedFileSystem.java:65)
	at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:1180)
	at org.apache.hadoop.fs.FileSystem.access$300(FileSystem.java:53)
	at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:1191)
	at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:148)
	at org.apache.hadoop.fs.FileSystem.getNamed(FileSystem.java:122)
	at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:94)
	at org.apache.hadoop.hbase.HMaster.<init>(HMaster.java:888)
	at org.apache.hadoop.hbase.HMaster.<init>(HMaster.java:866)
	... 6 more