namenode启动时出错

ovfsdjhp 于 2021-06-04 发布在 Hadoop

关注(0)|答案(4)|浏览(681)

当我尝试在主节点上启动hadoop时，我得到了以下输出。

[hduser@dellnode1 ~]$ start-dfs.sh
starting namenode, logging to /usr/local/hadoop/bin/../logs/hadoop-hduser-namenode-dellnode1.library.out
dellnode1.library: datanode running as process 5123. Stop it first.
dellnode3.library: datanode running as process 4072. Stop it first.
dellnode2.library: datanode running as process 4670. Stop it first.
dellnode1.library: secondarynamenode running as process 5234. Stop it first.
[hduser@dellnode1 ~]$ jps
5696 Jps
5123 DataNode
5234 SecondaryNameNode

hadoop namenode

来源：https://stackoverflow.com/questions/14273620/error-in-namenode-starting

4条答案

按热度按时间

bxpogfeg1#

在mac中（如果使用自制软件安装），其中3.0.0是hadoop版本。在linux中，相应地更改安装路径（只有这部分会更改）。 /usr/local/Cellar/ ).

> /usr/local/Cellar/hadoop/3.0.0/sbin/stopyarn.sh
> /usr/local/Cellar/hadoop/3.0.0/sbin/stopdfs.sh
> /usr/local/Cellar/hadoop/3.0.0/sbin/stop-all.sh"

更适合专业用户写这个 alias 在你生命的尽头 ~/.bashrc 或者 ~/.zshrc （如果您是zsh用户）。只是打字 hstop 每次您想要停止hadoop和所有相关进程时，都可以从命令行执行。

alias hstop="/usr/local/Cellar/hadoop/3.0.0/sbin/stop-yarn.sh;/usr/local/Cellar/hadoop/3.0.0/sbin/stop-dfs.sh;/usr/local/Cellar/hadoop/3.0.0/sbin/stop-all.sh"

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vwoqyblh2#

今天，在执行pig脚本时，我遇到了问题中提到的相同错误：

starting namenode, logging to /usr/local/hadoop/libexec/../logs/hadoop-training-namenode-localhost.localdomain.out
localhost: /home/training/.bashrc: line 10: /jdk1.7.0_10/bin: No such file or directory
localhost: Warning: $HADOOP_HOME is deprecated.
localhost: 
localhost: starting datanode, logging to /usr/local/hadoop/libexec/../logs/hadoop-training-datanode-localhost.localdomain.out
localhost: /home/training/.bashrc: line 10: /jdk1.7.0_10/bin: No such file or directory
localhost: Warning: $HADOOP_HOME is deprecated.
localhost: 
localhost: starting secondarynamenode, logging to /usr/local/hadoop/libexec/../logs/hadoop-training-secondarynamenode-localhost.localdomain.out
starting jobtracker, logging to /usr/local/hadoop/libexec/../logs/hadoop-training-jobtracker-localhost.localdomain.out
localhost: /home/training/.bashrc: line 10: /jdk1.7.0_10/bin: No such file or directory
localhost: Warning: $HADOOP_HOME is deprecated.
localhost: 
localhost: starting tasktracker, logging to /usr/local/hadoop/libexec/../logs/hadoop-training-tasktracker-localhost.localdomain.out

所以，答案是：