CentOS hadoop啟動錯誤 JAVA_HOME is not set and could not be found
...
Starting namenodes on []
localhost: Error: JAVA_HOME is not set and could not be found.localhost: Error: JAVA_HOME is not set and could not be found.
...
starting yarn daemons
starting resourcemanager, logging to /home/lihanhui/open-source/hadoop-2.1.0-beta/logs/yarn-admin-resourcemanager-localhost.out
localhost: Error: JAVA_HOME is not set and could not be found
直接命令列執行export JAVA_HOME=/PATH/TO/JDK無法解決問題
grep命令發現libexec/hadoop-config.sh檔案中有錯誤提示中的黑體字,於是在對應位置前直接設定export JAVA_HOME=/PATH/TO/JDK
錯誤消失。
hadoop版本:hadoop-2.1.0-beta
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