ERROR: JAVA_HOME is not set and could not be found.

本文主要是介绍ERROR: JAVA_HOME is not set and could not be found.，对大家解决编程问题具有一定的参考价值，需要的程序猿们随着小编来一起学习吧！

ERROR: JAVA_HOME is not set and could not be found.

背景

1. 启动hadoop集群时报错,先是报错Attempting to operate on hdfs namenode as root but there is no HDFS_NAMENODE_USER defined. Aborting

解决方案

1. 在$HADOOP_HOME/etc/hadoop目录下添加jdk的位置,注意分发到集群其它机器

   export JAVA_HOME=/opt/module/jdk1.8
   

这篇关于ERROR: JAVA_HOME is not set and could not be found.的文章就介绍到这儿，希望我们推荐的文章对大家有所帮助，也希望大家多多支持为之网！