这个问题看了很多方法,都解决不了,运行程序一直停在 log4j:WARN No appenders could be found for logger (org.apache.hadoop.util.Shell). log4j:WARN Please initialize the log4j system properly. log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info. 上面,查看mapreduce未运行。。。 |