1 回答執行了hadoop jar word_count_class/wordcount.jar WordCount input_wordcount output_wordcount報錯誤了

1 回答運行hadoop jar WordCount.jar WordCount input output報錯

1 回答指令報錯javac -classpath /usr/local/src/hadoop-1.2.1/hadoop-core-1.2.1.jar: /usr/local/src/hadoop-1.2.1/lib/commons-cli-1.2.jar -d word_count_class/ WordCount.java

3 回答老師 安裝完 hadoop，運行 hadoop namenode -format 報錯咋那么

1 回答怎么沒有提交wordCount.jar到hadoop那一步？