问题重现: Error: JAVA_HOME is not defined correctly. We cannot execute :/usr/lib/jvm/java-7-oracle 问题分析: 这是因为Java没有指定 JAVA_HOME 路径造成的. 解决办法: 配置 JAVA_HOME 的环境,终端输入: export JAVA_HOME=/usr/lib/jvm/java--openjdk-amd64…

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/etc/hadoop/hadoop-env.sh中设JAVA_HOME. 应当使用绝对路径. export JAVA_HOME=$JAVA_HOME                  //错误,原来就这样的 不该就报错 export JAVA_HOME=/usr/java/jdk1.6.0_45        //正确,应该这么改…

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/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/local/lib/jdk1.8.0_60 …

配置hadoop-1.2.1出现localhost: Error: JAVA_HOME is not set. 具体为: hadoop@dy-virtual-machine:~/hadoop-1.2.1$ start-all.shstarting namenode, logging to /home/hadoop/hadoop-1.2.1/libexec/../logs/hadoop-hadoop-namenode-dy-virtual-machine.outlocalhost: startin…

Error: JAVA_HOME is not defined correctly. We cannot execute /Library/Java/JavaVirtualMachines/jdk1.7.0_79.jdk/Contents/Home/bin/java 安装的是maven3,本地安装了两个java,1.7和1.8,但我项目中使用的都是1.8 所以把1.7的删除了,执行maven命令时每次都找的是1.7的版本 执行echo $JAVA_HOME 打印出来的也是1.8的版本,参造网上其…

1 详细报错 + cat+======================================================================+| Error: JAVA_HOME is not set and Java could not be found |+----------------------------------------------------------------------+| Please download the latest Oracle…

1 报错信息如下 +======================================================================+| Error: JAVA_HOME is not set and Java could not be found |+----------------------------------------------------------------------+| Please download the latest Oracle JD…

如果stop-dfs.sh也报了这个错,把$HADOOP_HOME/libexec/hadoop-config.sh中的如下内容之前加上 export JAVA_HOME=/home/lqr/Tools/jdk1.8.0_151 # Attempt to set JAVA_HOME if it is not set if [[ -z $JAVA_HOME ]]; then # On OSX use java_home (or /Library for older versions) if [ "…

最近尝试在windows开发MR程序并且提交Job,在解压缩好Hadoop,配置好环境变量后, 打开cmd 输入hadoop version 的时候出现以下错误: Error: JAVA_HOME is incorrectly set. Please update F:\hadoop\conf\hadoop-env.cmd 出现这个问题,我首先打了下Java -version Javaversion "1.8.0_91"Java(TM) SE Runtime Environment (…

最近尝试在windows开发MR程序并且提交Job,在解压缩好hadoop,配置好环境变量后, 打开cmd 输入hadoop version 的时候出现以下错误: Error: JAVA_HOME is incorrectly set. Please update F:\hadoop\conf\hadoop-env.cmd 出现这个问题,我首先打了下java -version java version "1.8.0_91"Java(TM) SE Runtime Environment…