Log4j extension uses --log formatter Layout

Layout: formatted output log information

1. #custom style     
2. #%c The category to which the output belongs, usually the full name of the category in which it belongs   
3. #%C Output the name of the class where the Logger is located, usually the full name of the class where it is located   
4. #%d Output the date or time of the log time point, the default format is ISO8601, you can also specify the format after it, for example: %d{yyy MMM dd HH:mm:ss , SSS}, %d{ABSOLUTE}, %d {DATE}  
5. #%F Output the class name of the class where it is located, only the class name.  
6. #%l Output the number of lines where the statement is located, including class name + method name + file name + number of lines  
7. #%L Output the number of lines where the statement is located, only output numbers  
8. #%m Output the message specified in the code, such as the message in log(message)  
9. #%M output method name  
10. #%p output log level, ie DEBUG, INFO, WARN, ERROR, FATAL  
11. #%r The number of milliseconds it took to output the log information since the application was started  
12. #%t output the name of the thread that generated the log event  
13. #%n output a carriage return line feed, "/r/n" for Windows platform, "/n" for Unix platform  
14. #%% is used to output the percent sign "%"  
15. #log4j.appender.Linkin.layout.ConversionPattern=%n[%l%d{yy/MM/dd HH:mm:ss:SSS}][%C-%M] %m    
16. #log4j.appender.Linkin.layout.ConversionPattern=%-d{yyyy-MM-dd HH:mm:ss}[%C]-[%p] %m%n     
17. #log4j.appender.Linkin.layout.ConversionPattern = %d{ABSOLUTE} %5p %t %c{2}:%L - %m%

 

pattern="[MSM] %d{yyyy-MM-dd HH:mm:ss.SSS} %p [%t] %c %m%n"

• Configuration 
  • properties
  • Appenders 
    • Console 
      • PatternLayout
    • File
    • RollingRandomAccessFile
    • Async
  • Loggers 
    • Logger
    • Root 
      • AppenderRef