mybatis + log4j2 问题 java.lang.NoClassDefFoundError: org/apache/logging/log4j/spi/AbstractLoggerWrapper

root cause

java.lang.NoClassDefFoundError: org/apache/logging/log4j/spi/AbstractLoggerWrapper

网上资料比较少，最后查到是mybatis 3.2.7的bug，升级到3.3.0就好了

详见：
https://github.com/mybatis/mybatis-3/issues/234

 emacarron modified the milestone: 3.2.8, 3.3.0 on 10 Oct 2014