Running Hadoop jar command through Java

Question

I want to run this command in linux through java code. I am writing a java code to run all hadoop commands instead of typing one by one.

hadoop jar WordCount.jar WordCount input/wordcount.txt output

I tried Runtime.getRuntime().exec(command) ; it did not work with hadoop. Also, I tried ProcessBuilder and it did not work too. Is there anyway to run hadoop command through java code ?

Answer 1

尝试hadoop jar WordCount.jar ur_pacjage_name.WordCount输入/wordcount.txt输出