What is your fs.default.name set to? It'd bind to the hostname provided in that.

On Mon, Oct 31, 2011 at 9:38 AM, JAX <[email protected]> wrote:
> Thanks! Yes i agree ... But Are you sure 8020? 8020 serves on 127.0.0.1 
> (rather than 0.0.0.0) ... Thus it is inaccessible to outside 
> clients.......That is very odd.... Why would that be the case ? Any insights 
> ( using cloud eras hadoop vm).
>
> Sent from my iPad
>
> On Oct 30, 2011, at 11:48 PM, Harsh J <[email protected]> wrote:
>
>> Hey Jay,
>>
>> I believe this may be related to your other issues as well, but 50070 is NOT 
>> the port you want to connect to. 50070 serves over HTTP, while default port 
>> (fs.default.name), for IPC connections is 8020, or whatever you have 
>> configured.
>>
>> On 31-Oct-2011, at 5:17 AM, Jay Vyas wrote:
>>
>>> Hi  guys : What is the meaning of an EOF exception when trying to connect
>>> to Hadoop by creating a new FileSystem object ?  Does this simply mean
>>> the system cant be read ?
>>>
>>> java.io.IOException: Call to /172.16.112.131:50070 failed on local
>>> exception: java.io.EOFException
>>>   at org.apache.hadoop.ipc.Client.wrapException(Client.java:1139)
>>>   at org.apache.hadoop.ipc.Client.call(Client.java:1107)
>>>   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$Cache.get(FileSystem.java:1530)
>>>   at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:228)
>>>   at sb.HadoopRemote.main(HadoopRemote.java:35)
>>> Caused by: java.io.EOFException
>>>   at java.io.DataInputStream.readInt(DataInputStream.java:375)
>>>   at
>>> org.apache.hadoop.ipc.Client$Connection.receiveResponse(Client.java:812)
>>>   at org.apache.hadoop.ipc.Client$Connection.run(Client.java:720)
>>>
>>> --
>>> Jay Vyas
>>> MMSB/UCHC
>>
>



-- 
Harsh J

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