java - 格式化Hadoop中的namenode:IllegalArgumentException Uri具有权限组件

Question

我正在尝试首次安装并运行Hadoop。格式化namenode时，出现以下错误。

java.lang.IllegalArgumentException: URI has an authority component  at
java.io.File.<init>(File.java:423)  at
org.apache.hadoop.hdfs.server.namenode.NNStorage.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:938)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1382)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1507)
16/04/12 17:15:35 INFO util.ExitUtil: Exiting with status 1 16/04/12
17:15:35 INFO namenode.NameNode: SHUTDOWN_MSG: 
/************************************************************
SHUTDOWN_MSG: Shutting down NameNode at
psubuntu-Inspiron-5520/127.0.1.1
************************************************************/**

Answer 1

似乎您没有正确设置.xml文件。
编辑〜/ hadoop / etc / hadoop文件夹中的文件
core-site.xml->

<!-- core-site.xml -->
<configuration>
<property>
<name>fs.defaultFS</name>
<value>hdfs://localhost/</value>
</property>
</configuration>

用于hdfs-site.xml

<!-- hdfs-site.xml -->
<configuration>
<property>
<name>dfs.replication</name>
<value>1</value>
</property>
</configuration>

用于mapred-site.xml

 <!-- mapred-site.xml -->
    <configuration>
    <property>
    <name>mapreduce.framework.name</name>
    <value>yarn</value>
    </property>
    </configuration>

用于yarn-site.xml

<!-- yarn-site.xml -->
<configuration>
<property>
<name>yarn.resourcemanager.hostname</name>
<value>localhost</value>
</property>
<property>
<name>yarn.nodemanager.aux-services</name>
<value>mapreduce_shuffle</value>
</property>
</configuration>