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yarn.sh 命令错误

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yarn.sh 命令错误

启动命令时出现错误yarn.sh。这是错误输出：

$ start-yarn.sh
starting yarn daemons
mkdir: cannot create directory `/logs': Permission denied
chown: cannot access `/logs': No such file or directory
starting resourcemanager, logging to /logs/yarn-hduser-resourcemanager-ubuntu.out
/usr/local/hadoop/sbin/yarn-daemon.sh: line 124: /logs/yarn-hduser-resourcemanager-ubuntu.out: No such file or directory
head: cannot open `/logs/yarn-hduser-resourcemanager-ubuntu.out' for reading: No such file or directory
/usr/local/hadoop/sbin/yarn-daemon.sh: line 129: /logs/yarn-hduser-resourcemanager-ubuntu.out: No such file or directory
/usr/local/hadoop/sbin/yarn-daemon.sh: line 130: /logs/yarn-hduser-resourcemanager-ubuntu.out: No such file or directory
localhost: mkdir: cannot create directory `/logs': Permission denied
localhost: chown: cannot access `/logs': No such file or directory
localhost: starting nodemanager, logging to /logs/yarn-hduser-nodemanager-ubuntu.out
localhost: /usr/local/hadoop/sbin/yarn-daemon.sh: line 124: /logs/yarn-hduser-nodemanager-ubuntu.out: No such file or directory
localhost: head: cannot open `/logs/yarn-hduser-nodemanager-ubuntu.out' for reading: No such file or directory
localhost: /usr/local/hadoop/sbin/yarn-daemon.sh: line 129: /logs/yarn-hduser-nodemanager-ubuntu.out: No such file or directory
localhost: /usr/local/hadoop/sbin/yarn-daemon.sh: line 130: /logs/yarn-hduser-nodemanager-ubuntu.out: No such file or directory

答案1

该脚本正在尝试创建一个名为的目录/logs，但失败了，因为您的用户没有创建该目录的权限。简单的解决方案是使用以下命令运行该脚本sudo：

sudo start-yarn.sh

但请注意，脚本与在 中创建目录无关/。此脚本有何用途？为什么需要创建/logs？您可能需要在脚本中设置一个变量。请在此处发布脚本，或查找包含以下内容的行：

PREFIX=""

您的脚本中可能存在该内容或类似内容，并允许您设置它将在其中工作的基目录。将其设置为类似内容~/yarn/。您真的不想在其中创建随机目录/，如果该脚本确实这样做，我甚至会认为这是一个错误。

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