成功创建名称节点后，我在尝试启动名称节点时遇到了这个问题。
对我来说，它似乎试图记录到一个不存在的文件。如何更改设置以将脚本日志定向到正确的目录？
bash-3.2$ start-all.sh
starting namenode, logging to /usr/local/bin/../logs/hadoop-Yili-namenode-wifi169-
116.bucknell.edu.out
nice: /usr/local/bin/../bin/hadoop: No such file or directory
localhost: starting datanode, logging to /usr/local/bin/../logs/hadoop-Yili-datanode-
wifi169-116.bucknell.edu.out
localhost: nice: /usr/local/bin/../bin/hadoop: No such file or directory
localhost: starting secondarynamenode, logging to /usr/local/bin/../logs/hadoop-Yili-
secondarynamenode-wifi169-116.bucknell.edu.out
localhost: nice: /usr/local/bin/../bin/hadoop: No such file or directory
starting jobtracker, logging to /usr/local/bin/../logs/hadoop-Yili-jobtracker-wifi169-
116.bucknell.edu.out
nice: /usr/local/bin/../bin/hadoop: No such file or directory
localhost: starting tasktracker, logging to /usr/local/bin/../logs/hadoop-Yili-
tasktracker-wifi169-116.bucknell.edu.out
localhost: nice: /usr/local/bin/../bin/hadoop: No such file or directory
尝试运行which hadoop。如果此命令为您提供输出，则您的 HADOOP_HOME 已在 .bashrc 文件中设置。
如果未设置，则编辑主目录中的 .bashrc 文件并添加以下语句，考虑到您的 hadoop 安装在/opt/hadoop。它可能是另一个位置。
HADOOP_HOME=/opt/HADOOP
export HADOOP_HOME
PATH=$PATH:$HADOOP_HOME/bin
export PATH
这会对你有所帮助。
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