hadoop - 使用 start-all.sh 启动 Hadoop 时出错

Question

使用strat-all.sh启动Hadoop时出现如下错误:

2012-06-28 19:51:56,655 FATAL org.apache.hadoop.mapred.JobTracker: java.lang.IllegalArgumentException: Does not contain a valid host:port authority: localhost:54311 
    at org.apache.hadoop.net.NetUtils.createSocketAddr(NetUtils.java:147)
    at org.apache.hadoop.net.NetUtils.createSocketAddr(NetUtils.java:128)
    at org.apache.hadoop.mapred.JobTracker.getAddress(JobTracker.java:2560)
    at org.apache.hadoop.mapred.JobTracker.<init>(JobTracker.java:2200)
    at org.apache.hadoop.mapred.JobTracker.<init>(JobTracker.java:2192)
    at org.apache.hadoop.mapred.JobTracker.<init>(JobTracker.java:2186)
    at org.apache.hadoop.mapred.JobTracker.startTracker(JobTracker.java:300)
    at org.apache.hadoop.mapred.JobTracker.startTracker(JobTracker.java:291)
    at org.apache.hadoop.mapred.JobTracker.main(JobTracker.java:4978)

2012-06-28 19:51:56,655 INFO org.apache.hadoop.mapred.JobTracker: SHUTDOWN_MSG: 

mapred-site.xml内容

<configuration>
  <property>
    <name>mapred.job.tracker</name>
    <value>localhost:54311 </value>
    <description>mapred</description>
  </property>
</configuration>

系统配置

RHEL V5.0 enterprise
JDK : java 1.6.0_26
Hadoop : 1.0.3

Answer 1

验证您的集群配置。特别是/etc/hosts 文件。验证为您的名称节点提供的名称。

您的名称节点和作业跟踪器是否在同一台机器上运行？