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everyone, I have a little problem when I build the Hadoop Cluster
My node install CentOS 6.5,java1.7.60 and hadoop 2.2.0

I want to build a master and three slaves
I try to build it like this
But in the end of this, I try to start up my namenode and datanode

My /etc/hosts like this:

127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6

10.10.10.10 master
10.10.10.11 slave1
10.10.10.12 slave2
10.10.10.13 slave3

Just like this when I type:

$ hadoop namenode -fromat:

java.net.UnknownHostException: hadoop01.hadoopcluster: hadoop01.hadoopcluster
    at java.net.InetAddress.getLocalHost(InetAddress.java:1473)
    at org.apache.hadoop.net.DNS.resolveLocalHostname(DNS.java:264)
    at org.apache.hadoop.net.DNS.<clinit>(DNS.java:57)
    at org.apache.hadoop.hdfs.server.namenode.NNStorage.newBlockPoolID(NNStorage.java:914)
    at org.apache.hadoop.hdfs.server.namenode.NNStorage.newNamespaceInfo(NNStorage.java:550)
    at org.apache.hadoop.hdfs.server.namenode.FSImage.format(FSImage.java:144)
    at org.apache.hadoop.hdfs.server.namenode.NameNode.format(NameNode.java:837)
    at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1213)
    at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1320)
Caused by: java.net.UnknownHostException: hadoop01.hadoopcluster
    at java.net.Inet4AddressImpl.lookupAllHostAddr(Native Method)
    at java.net.InetAddress$1.lookupAllHostAddr(InetAddress.java:901)
    at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1293)
    at java.net.InetAddress.getLocalHost(InetAddress.java:1469)
    ... 8 more
14/07/01 16:50:46 WARN net.DNS: Unable to determine address of the host-falling back to "localhost" address
java.net.UnknownHostException: hadoop01.hadoopcluster: hadoop01.hadoopcluster
    at java.net.InetAddress.getLocalHost(InetAddress.java:1473)
    at org.apache.hadoop.net.DNS.resolveLocalHostIPAddress(DNS.java:287)
    at org.apache.hadoop.net.DNS.<clinit>(DNS.java:58)
    at org.apache.hadoop.hdfs.server.namenode.NNStorage.newBlockPoolID(NNStorage.java:914)
    at org.apache.hadoop.hdfs.server.namenode.NNStorage.newNamespaceInfo(NNStorage.java:550)
    at org.apache.hadoop.hdfs.server.namenode.FSImage.format(FSImage.java:144)
    at org.apache.hadoop.hdfs.server.namenode.NameNode.format(NameNode.java:837)
    at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1213)
    at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1320)
Caused by: java.net.UnknownHostException: hadoop01.hadoopcluster
    at java.net.Inet4AddressImpl.lookupAllHostAddr(Native Method)
    at java.net.InetAddress$1.lookupAllHostAddr(InetAddress.java:901)
    at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1293)
    at java.net.InetAddress.getLocalHost(InetAddress.java:1469)
    ... 8 more

and try to issue start-dfs.sh and start-yarn.sh:

$ start-dfs.sh
14/07/01 16:55:23 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
Starting namenodes on [master]
master: namenode running as process 2395. Stop it first.
slave2: starting datanode, logging to /opt/hadoop/logs/hadoop-hadoop-datanode-hadoop03.hadopcluster.out
slave1: starting datanode, logging to /opt/hadoop/logs/hadoop-hadoop-datanode-hadoop02.hadopcluster.out
slave3: starting datanode, logging to /opt/hadoop/logs/hadoop-hadoop-datanode-hadoop04.hadopcluster.out
Starting secondary namenodes [0.0.0.0]
0.0.0.0: secondarynamenode running as process 2564. Stop it first.
14/07/01 16:55:31 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable


$ start-yarn.sh
starting yarn daemons
starting resourcemanager, logging to /opt/hadoop/logs/yarn-hadoop-resourcemanager-hadoop01.hadoopcluster.out
slave1: starting nodemanager, logging to /opt/hadoop/logs/yarn-hadoop-nodemanager-hadoop02.hadopcluster.out
slave3: starting nodemanager, logging to /opt/hadoop/logs/yarn-hadoop-nodemanager-hadoop04.hadopcluster.out
slave2: starting nodemanager, logging to /opt/hadoop/logs/yarn-hadoop-nodemanager-hadoop03.hadopcluster.out

and type jps:

$ jps
2564 SecondaryNameNode
5591 Jps
2395 NameNode

I only look like this, didn't have DataNode, NodeManager, ResourceManger... etc, Is it any where wrong when I setting it? Could anyone can suggest me something, thanks!

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1 回答 1

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DHCP（动态主机配置协议）

它是部署在 IP 网络上的服务器，用于为其客户端分配 IP 地址。因此，您必须在服务器端和客户端都配置 DHCP。

在服务器端：

  • 获取包裹：isc-dhcp-server
  • 编辑/ etc/networkinterfaces配置接口，为DHCP服务器选择一个静态IP地址
  • 指定本地网络接口 DHCP 将侦听 ( /etc/default/isc-dhcp-server)
  • 编辑配置文件/etc/dhcp/dhcpd.conf以选择本地网络将使用的 IP 地址，定义 DNS 服务器

在客户端：

  • 编辑 /etc/network interfaces 以配置接口

您可以确保它已正确安装和配置，您可以使用ifconfig和ping命令。

DNS（域名系统）

  • 安装bind9
  • 编辑/etc/bind/named.conf以添加主机

祝你好运。

于 2014-07-01T12:30:22.973 回答