hadoop job tracker无法启动

Question

单节点设置下我尝试运行单个节点示例然而，jobtracker 启动失败并出现异常:

2013-04-30 17:12:54,984 INFO org.apache.hadoop.metrics2.impl.MetricsConfig: loaded properties from hadoop-metrics2.properties
2013-04-30 17:12:54,994 INFO org.apache.hadoop.metrics2.impl.MetricsSourceAdapter: MBean for source MetricsSystem,sub=Stats registered.
2013-04-30 17:12:54,995 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Scheduled snapshot period at 10 second(s).
2013-04-30 17:12:54,995 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: JobTracker metrics system started
2013-04-30 17:12:55,078 INFO org.apache.hadoop.metrics2.impl.MetricsSourceAdapter: MBean for source QueueMetrics,q=default registered.
2013-04-30 17:12:55,104 FATAL org.apache.hadoop.mapred.JobTracker: java.lang.IllegalArgumentException: Does not contain a valid host:port authority: local
    at org.apache.hadoop.net.NetUtils.createSocketAddr(NetUtils.java:162)
    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)

2013-04-30 17:12:55,105 INFO org.apache.hadoop.mapred.JobTracker: SHUTDOWN_MSG: 
/************************************************************
SHUTDOWN_MSG: Shutting down JobTracker at calmatery-virtual-machine/127.0.1.1
************************************************************/

核心站点.xml:

<configuration>
    <property>
        <name>fs.default.name</name>
        <value>hdfs://localhost:9000</value>
    </property>
</configuration>

hdfs-site.xml:

<configuration>
    <property>
        <name>dfs.replication</name>
        <value>1</value>
    </property>
</configuration>

ma​​pred-site.xml:

<configuration>
    <property>
        <name>mapred.job.tracker></name>
        <value>localhost:9001</value>
    </property>
</configuration>

Answer 1

我相信您的 mapred-site.xml 中有错字.您指定:

<name>mapred.job.tracker></name>
                        ^

但是

<name>mapred.job.tracker</name>

是正确的。注意错误 > </name> 之前的字符在你的配置文件中。

如果这没有帮助，请尝试 https://issues.apache.org/jira/browse/HDFS-2515和 Error in starting hadoop Job Tracker .