Format a new distributed-filesystem:
$ bin/hadoop namenode -format
后执行
Start the hadoop daemons:
$ bin/start-all.sh
时报错:
2011-03-01 14:08:25,278 INFO org.apache.hadoop.security.Groups: Group mapping impl=org.apache.hadoop.security.ShellBa
sedUnixGroupsMapping; cacheTimeout=300000
2011-03-01 14:08:25,881 ERROR org.apache.hadoop.hdfs.server.datanode.DataNode: java.lang.IllegalArgumentException: Invalid URI for NameNode address (check fs.defaultFS): file:/// has no authority.
at org.apache.hadoop.hdfs.server.namenode.NameNode.getAddress(NameNode.java:214)
at org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:237)
at org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:1440)
at org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:1393)
at org.apache.hadoop.hdfs.server.datanode.DataNode.createDataNode(DataNode.java:1407)
at org.apache.hadoop.hdfs.server.datanode.DataNode.main(DataNode.java:1552)
2011-03-01 14:08:25,885 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: SHUTDOWN_MSG: