http://blog.csdn.net/ererfei/article/details/50884155 (log4j2 records logs to mysql & mongodb)
http://blog.csdn.net/ererfei/article/details/50857103 (MongoDB Java study notes)
http://blog.csdn.net/ererfei/article/details/46831807 (Log4j2 entry learning)
http://blog.csdn.net/xudan1010/article/details/52890102 (Log4j, Log4j2, logback, slf4j log learning)
http://blog.csdn.net/autfish/article/details/51203709 (detailed explanation of log4j2 (on) - from basics to actual combat)
http://blog.csdn.net/autfish/article/details/51244787 (Detailed explanation of log4j2 (below) - Async/MongoDB/Flume Appender differentiates file output by log level)
http://blog.csdn.net/u010201484/article/details/51723455 (log4j2 entry learning and summary)
The above are all log4j2 tutorials. At present, my project is still using logback log management. I need to study the log4j2 designated related classes and write them into the designated log files. After this research is familiar, I plan to use them;