Firewall problem or you need entries into /etc/hosts
On 6/18/08, Alexander Arimond <[EMAIL PROTECTED]> 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: > > [EMAIL PROTECTED]:~/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
