log4j:WARN No appenders could be found for logger (org.jboss.logging). log4j:WARN Please initialize the log4j system properly. log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info. junit測試時(shí)出現(xiàn)了問題，請(qǐng)問大家這是什么問題