執行完hadoop namenode -format報$HADOOP_HOME is deprecated.
[root@localhost bin]# hadoop namenode -format
Warning: $HADOOP_HOME is deprecated.
/opt/hadoop-1.2.1/bin/hadoop: line 350: /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.75.x86_64/bin/java: 沒有那個文件或目錄
/opt/hadoop-1.2.1/bin/hadoop: line 434: /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.75.x86_64/bin/java: 沒有那個文件或目錄
/opt/hadoop-1.2.1/bin/hadoop: line 434: exec: /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.75.x86_64/bin/java: cannot execute: 沒有那個文件或目錄
2017-07-04
$HADOOP_HOME環境變量沒有配置