[Log4j] Logging Pattern (로그 패턴)

Pattern	Description	Example
%p	Logging Level (DEBUG, INFO,...)	%-5p
%m	Log Message
%d	Logging Timestamp. It can use date format obeying a SimpleDateFormat rules. Default. yyyy-MM-dd HH:mm:ss	%d{yyyy MMM dd HH:mm:ss, SSS}%d{HH:mm:ss, SSS} %d{ISO8601} %d{ABSOLUTE} %d{DATE} %d{UNIX_MILLIS}
%t	Thread Name
%T	Thread ID
%n	New Line. It is dependent on OS platform. Unix/Linux : LF Windows : CR-LF MacOS : CR
%c	Category	%c{n}
%C	Class name. It display class full name including package name and cut package name off ex) pe.dorbae.blog.Log4j %C{1} : Log4j %C{3} dorbae.blog.Log4j	%C{n}
%F	File Name
%l	Location information of the caller which generated the logging event
%L	Caller Line Number
%M	Method Name
%r	Uptime (milliseconds)
%x	Thread NDC(Nested Diagnostic Context)
%X	Thread MDC(Mapped Diagnostic Context)
%u	Random or a time-based UUID	%u{RANDOM} %u{TIME}