hadoop常见问题 -localhost: Error: JAVA_HOME is not set
2012-12-26 23:14
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localhost: Error: JAVA_HOME is not set.
启动start-all.sh时出现如下错误:
解决办法:
在hadoop-0.21.0/conf/文件夹里有个hadoop-env.sh的文件,它的作用是配置与hadoop运行环境相关的变量,
启动start-all.sh时出现如下错误:
root@ubuntu:/home/chenwq/hadoop/hadoop-0.21.0/bin# start-all.sh This script is Deprecated. Instead use start-dfs.sh and start-mapred.sh starting namenode, logging to /home/chenwq/hadoop/hadoop-0.21.0/bin/../logs/hadoop-root-namenode-ubuntu.out localhost: Error: JAVA_HOME is not set. localhost: Error: JAVA_HOME is not set. starting jobtracker, logging to /home/chenwq/hadoop/hadoop-0.21.0/bin/../logs/hadoop-root-jobtracker-ubuntu.out localhost: Error: JAVA_HOME is not set.
解决办法:
在hadoop-0.21.0/conf/文件夹里有个hadoop-env.sh的文件,它的作用是配置与hadoop运行环境相关的变量,
export JAVA_HOME=/usr/lib/jvm/java-6-sun
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