Ubuntu14.0 下Hadoop启动报Error: JAVA_HOME is not set and could not be found解决办法
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Hadoop安装完后,启动时报Error: JAVA_HOME is not set and could not be found.
解决办法:
修改/hadoop/etc/hadoop/hadoop-env.sh中设JAVA_HOME。
应当使用绝对路径。
export JAVA_HOME=$JAVA_HOME //错误,不能这么改
export JAVA_HOME=/usr/java/jdk1.7.0_79 //正确,应该这么改 这里的java版本根据你安装的java版本号确定
解决办法:
修改/hadoop/etc/hadoop/hadoop-env.sh中设JAVA_HOME。
应当使用绝对路径。
export JAVA_HOME=$JAVA_HOME //错误,不能这么改
export JAVA_HOME=/usr/java/jdk1.7.0_79 //正确,应该这么改 这里的java版本根据你安装的java版本号确定
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