hadoop错误INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1
2012-03-26 16:28
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原文:http://blog.csdn.net/xqy1522/article/details/7327818
hadoop安装完成后,必须要用haddop namenode format格式化后,才能使用,如果重启机器
在启动hadoop后,用hadoop fs -ls命令老是报 10/09/25 18:35:29 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:9000. Already tried 0 time(s).的错误,
用jps命令,也看不不到namenode的进程, 必须再用命令hadoop namenode format格式化后,才能再使用
原因是:hadoop默认配置是把一些tmp文件放在/tmp目录下,重启系统后,tmp目录下的东西被清除,所以报错
解决方法:在conf/core-site.xml (0.19.2版本的为conf/hadoop-site.xml)中增加以下内容
<property>
<name>hadoop.tmp.dir</name>
<value>/var/log/hadoop/tmp</value>
<description>A base for other temporary directories</description>
</property>
重启hadoop后,格式化namenode即可
hadoop安装完成后,必须要用haddop namenode format格式化后,才能使用,如果重启机器
在启动hadoop后,用hadoop fs -ls命令老是报 10/09/25 18:35:29 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:9000. Already tried 0 time(s).的错误,
用jps命令,也看不不到namenode的进程, 必须再用命令hadoop namenode format格式化后,才能再使用
原因是:hadoop默认配置是把一些tmp文件放在/tmp目录下,重启系统后,tmp目录下的东西被清除,所以报错
解决方法:在conf/core-site.xml (0.19.2版本的为conf/hadoop-site.xml)中增加以下内容
<property>
<name>hadoop.tmp.dir</name>
<value>/var/log/hadoop/tmp</value>
<description>A base for other temporary directories</description>
</property>
重启hadoop后,格式化namenode即可
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