Hadoop伪分布问题

问题遇到的现象和发生背景
Hadoop伪分布配置
问题相关代码，请勿粘贴截图


hadoop.tmp.dir
file:/usr/local/hadoop/tmp
Abase for other temporary directories.


fs.defaultFS
hdfs://localhost:9000

dfs.replication 1 dfs.namenode.name.dir file:/usr/local/hadoop/tmp/dfs/name dfs.datanode.data.dir file:/usr/local/hadoop/tmp/dfs/data 运行结果及报错内容 提示 Error: JAVA_HOME is not set and could not be found.

hadoop配置文件的问题，没有加java_home.