启动hadoop2.3.0时显示JAVA_HOME is not set and could not
2014-04-03 00:00
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摘要: 启动hadoop2.3.0时显示JAVA_HOME is not set and could not
使用start-all.sh直接启动Hadoop
如果报如下错误：localhost:Error: JAVA_HOME is not set and could not be found.则是因为JAVA_HOME环境变量没有设置，需要在./etc/hadoop/hadoop-env.sh中设置JAVA_HOME，
exportJAVA_HOME=$JAVA_HOME这样设置仍然会报错，只有使用绝对路径才不会报错。如：export JAVA_HOME=/usr/lib/jvm/jre-1.6.0-openjdk.x86_64
使用start-all.sh直接启动Hadoop
如果报如下错误：localhost:Error: JAVA_HOME is not set and could not be found.则是因为JAVA_HOME环境变量没有设置，需要在./etc/hadoop/hadoop-env.sh中设置JAVA_HOME，
exportJAVA_HOME=$JAVA_HOME这样设置仍然会报错，只有使用绝对路径才不会报错。如：export JAVA_HOME=/usr/lib/jvm/jre-1.6.0-openjdk.x86_64
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