[英]Running Hadoop jar command through Java
I want to run this command in linux through java code. 我想通过Java代码在Linux中运行此命令。 I am writing a java code to run all hadoop commands instead of typing one by one.
我正在编写一个Java代码来运行所有hadoop命令,而不是一一键入。
hadoop jar WordCount.jar WordCount input/wordcount.txt output
I tried Runtime.getRuntime().exec(command) ; 我尝试了Runtime.getRuntime()。exec(command) ; it did not work with hadoop.
它不适用于hadoop。 Also, I tried ProcessBuilder and it did not work too.
另外,我尝试使用ProcessBuilder ,但它也无法正常工作。 Is there anyway to run hadoop command through java code ?
反正有通过Java代码运行hadoop命令吗?
尝试hadoop jar WordCount.jar ur_pacjage_name.WordCount输入/wordcount.txt输出
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