小编Ora*_*lue的帖子

目前我正在尝试在我的ubuntu 14.10(32位utopic)上安装hadoop-2.6.0.我按照这里的指示:

http://www.itzgeek.com/how-tos/linux/ubuntu-how-tos/install-apache-hadoop-ubuntu-14-10-centos-7-single-node-cluster.html#axzz3X2DuWaxQ

但是,当我尝试格式化namenode时,无法启动namenode.

这是我在尝试执行hdfs或hadoop namenode -format时不断收到的内容:

15/04/11 16:32:13 FATAL namenode.NameNode: Fialed to start namenode
java.lang.IllegalArgumentException: URI has an authority component
    at java.io.File.<init>(File.java:423)
    at             org.apache.hadoop.hdfs.server.namenode.NNSStorage.getStorageDirectory(NNStorage.java:329)
    at
org.apache.hadoop.hdfs.server.namenode.FSEditLog.initJournals(FSEditLog.java: 270)
    at
org.apache.hadoop.hdfs.server.namenode.FSEditLog.initJournalsForWrite(FSEditLog.java:241)
    at     org.apache.hadoop.hdfs.server.namenode.NameNode.format(NameNode.java:935)
    at     org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1379)
    at     org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1504)
15/04/11 16:32:13 INFO util.ExitUtil: Exiting with status 1
15/04/11 16:32:14 INFO namenode.NameNode: SHUTDOWN_MSG:
/************************************************************
SHUTDOWN_MSG: Shutting down NameNode at ThinkPad-Edge-E540/127.0.1.1
************************************************************/

我是linux和hadoop的新手.请帮我解决这个问题.此外,当我第一次尝试安装hadoop时,我收到如下错误消息:

    java.net.ConnectException: Call From ThinkPad-Edge-E540/127.0.1.1 to localhost:9000 failed on connection exception: java.net.ConnectException: Connection refused; For more details see:  http://wiki.apache.org/hadoop/ConnectionRefused

后来,我卸载了hadoop 2.6.0,现在我正在尝试按照上面的链接显示当前指令.

更新

我删除了之前版本中安装的所有以前安装的java(jdk1.7.0).但错误信息仍然存在. …