log4j:WARN No appenders could be found for logger
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
log4j need a configure file to tell it how to work.
Continue reading “Hadoop error: log4j:WARN No appenders could be found for logger”
Currently, I did some practise about Hadoop and met some erorrs. Like this, I can run the Hadoop application with terminal on HDFS, but I cannot run it locally with eclipse for following errors:
Continue reading “Hadoop Error: java.lang.ClassNotFoundException:org.codehaus.jackson.map.JsonMappingException”