SLF4JLoggerContext cannot be cast to LoggerContext
Getting Exception org.apache.logging.slf4j.SLF4JLoggerContext cannot be cast to org.apache.logging.log4j.core.LoggerContext
问题原因：jar包版本的问题
换为：1.2.8就没有问题了
文章来自：http://www.cnblogs.com/tengpan-cn/p/5157451.html