Re: dfs copyFromLocal/put fails

[Shengkai Zhu <ge...@gmail.com>]

Firewall problem or you need entries into /etc/hosts


On 6/18/08, Alexander Arimond <a_...@informatik.uni-kl.de> wrote:
>
> hi,
>
> i'm new in hadoop and im just testing it at the moment.
> i set up a cluster with 2 nodes and it seems like they are running
> normally,
> the log files of the namenode and the datanodes dont show errors.
> Firewall should be set right.
> but when i try to upload a file to the dfs i get following message:
>
> hadoop@xyz:~/hadoop$ bin/hadoop dfs -put file.txt file.txt
> 08/06/12 14:44:19 INFO dfs.DFSClient: Exception in
> createBlockOutputStream java.net.ConnectException: Connection refused
> 08/06/12 14:44:19 INFO dfs.DFSClient: Abandoning block
> blk_5837981856060447217
> 08/06/12 14:44:28 INFO dfs.DFSClient: Exception in
> createBlockOutputStream java.net.ConnectException: Connection refused
> 08/06/12 14:44:28 INFO dfs.DFSClient: Abandoning block
> blk_2573458924311304120
> 08/06/12 14:44:37 INFO dfs.DFSClient: Exception in
> createBlockOutputStream java.net.ConnectException: Connection refused
> 08/06/12 14:44:37 INFO dfs.DFSClient: Abandoning block
> blk_1207459436305221119
> 08/06/12 14:44:46 INFO dfs.DFSClient: Exception in
> createBlockOutputStream java.net.ConnectException: Connection refused
> 08/06/12 14:44:46 INFO dfs.DFSClient: Abandoning block
> blk_-8263828216969765661
> 08/06/12 14:44:52 WARN dfs.DFSClient: DataStreamer Exception:
> java.io.IOException: Unable to create new block.
> 08/06/12 14:44:52 WARN dfs.DFSClient: Error Recovery for block
> blk_-8263828216969765661 bad datanode[0]
>
>
> dont know what that means and didnt found something about that..
> Hope somebody can help with that.
>
> Thank you!
>
>


-- 

朱盛凯

Jash Zhu

复旦大学软件学院

Software School, Fudan University