I have set-up Hadoop on OpenSuse 11.2 VM using Virtualbox. I ran Hadoop examples in the standalone mode successfully. Now, I want to run in distributed mode using 2 nodes. Hadoop starts fine and jps lists all the nodes. But when i try to put any file or run any example, I get error. For e.g. :
had...@master:~/hadoop> ./bin/hadoop dfs -copyFromLocal ./input inputsample 10/04/17 14:42:46 INFO hdfs.DFSClient: Exception in createBlockOutputStream java.net.SocketException: Operation not supported 10/04/17 14:42:46 INFO hdfs.DFSClient: Abandoning block blk_8951413748418693186_1080 .... 10/04/17 14:43:04 INFO hdfs.DFSClient: Exception in createBlockOutputStream java.net.SocketException: Protocol not available 10/04/17 14:43:04 INFO hdfs.DFSClient: Abandoning block blk_838428157309440632_1081 10/04/17 14:43:10 WARN hdfs.DFSClient: DataStreamer Exception: java.io.IOException: Unable to create new block. at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.nextBlockOutputStream(DFSClient.java:2845) at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.access$2000(DFSClient.java:2102) at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream$DataStreamer.run(DFSClient.java:2288) 10/04/17 14:43:10 WARN hdfs.DFSClient: Error Recovery for block blk_838428157309440632_1081 bad datanode[0] nodes == null 10/04/17 14:43:10 WARN hdfs.DFSClient: Could not get block locations. Source file "/user/hadoop/inputsample/check" - Aborting... copyFromLocal: Protocol not available 10/04/17 14:43:10 ERROR hdfs.DFSClient: Exception closing file /user/hadoop/inputsample/check : java.net.SocketException: Protocol not available java.net.SocketException: Protocol not available at sun.nio.ch.Net.getIntOption0(Native Method) at sun.nio.ch.Net.getIntOption(Net.java:178) at sun.nio.ch.SocketChannelImpl$1.getInt(SocketChannelImpl.java:419) at sun.nio.ch.SocketOptsImpl.getInt(SocketOptsImpl.java:60) at sun.nio.ch.SocketOptsImpl.sendBufferSize(SocketOptsImpl.java:156) at sun.nio.ch.SocketOptsImpl$IP$TCP.sendBufferSize(SocketOptsImpl.java:286) at sun.nio.ch.OptionAdaptor.getSendBufferSize(OptionAdaptor.java:129) at sun.nio.ch.SocketAdaptor.getSendBufferSize(SocketAdaptor.java:328) at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.createBlockOutputStream(DFSClient.java:2873) at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.nextBlockOutputStream(DFSClient.java:2826) at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.access$2000(DFSClient.java:2102) at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream$DataStreamer.run(DFSClient.java:2288) I can see the files on HDFS through the web interface but they are empty. Any suggestion on how can I get over this ?
