Question

ubuntu上的hadoop单机伪分布，运行Wordcount时候将conf中文件拷贝到input时出错，急求大神解答

14/03/16 11:05:14 ERROR hdfs.DFSClient: Failed to close file /user/dandan/input/ssl-server.xml.example
org.apache.hadoop.ipc.RemoteException: java.io.IOException: File /user/dandan/input/ssl-server.xml.example could only be replicated to 0 nodes, instead of 1

14/03/16 11:05:14 ERROR hdfs.DFSClient: Failed to close file /user/dandan/input/hadoop-metrics2.properties

14/03/16 11:05:14 ERROR hdfs.DFSClient: Failed to close file /user/dandan/input/masters

14/03/16 11:05:14 ERROR hdfs.DFSClient: Failed to close file /user/dandan/input/ssl-client.xml.example
org.apache.hadoop.ipc.RemoteException: java.io.IOException: File /user/dandan/input/ssl-client.xml.example could only be replicated to 0 nodes, instead of 1

14/03/16 11:05:14 ERROR hdfs.DFSClient: Failed to close file /user/dandan/input/mapred-site.xml
org.apache.hadoop.ipc.RemoteException: java.io.IOException: File /user/dandan/input/mapred-site.xml could only be replicated to 0 nodes, instead of 1

14/03/16 11:05:14 ERROR hdfs.DFSClient: Failed to close file /user/dandan/input/core-site.xml
org.apache.hadoop.ipc.RemoteException: java.io.IOException: File /user/dandan/input/core-site.xml could only be replicated to 0 nodes, instead of 1

14/03/16 11:05:14 ERROR hdfs.DFSClient: Failed to close file /user/dandan/input/hadoop-env.sh
org.apache.hadoop.ipc.RemoteException: java.io.IOException: File /user/dandan/input/hadoop-env.sh could only be replicated to 0 nodes, instead of 1

Answer 1

查看你的集群状态，应该是启动错误，查看下日志