Spring boot 2.0 + Configure log4j logs

1. Maven introduces the package and excludes the default log

 1 

 2 org.springframework.boot

 3 spring-boot-starter

 4 

 5 

 6 org.springframework.boot

 7 spring-boot-starter-logging

 8 

 9 

10 

11 

12 org.springframework.boot

13 spring-boot-starter-log4j2

14 

2, add a configuration file, put it under resources, start the project, The log can be recorded, and the modification of the related configuration can be operated in the configuration file.

 1 xml version="1.0" encoding="UTF-8"?>

 2 < configuration>

 3 < appenders>

 4 

 5 < console name="Console" target="SYSTEM_OUT">

 6 < PatternLayout pattern="%d{HH:mm:ss.SSS} %-5level %class %L %M-%msg%n"/>

 7 console>

 8

 9 

10 < RollingFile name="all" fileName="logs/allOut.log"

11  filePattern ="logs/$${date:yyyy-MM-dd}/allOut-%d{yyyy-MM-dd}-%i.log"> 

12 < Filters>

13 < ThresholdFilter level="all" onMatch="ACCEPT" onMismatch="DENY"/>

14 Filters>

15 

16 < PatternLayout pattern="%d{HH:mm:ss.SSS} %-5level %class{36} %L %M-%msg%n"/>

17 < Policies>

18 

19 < SizeBasedTriggeringPolicy size="2 MB"/>

20 Policies>

21 

22 < DefaultRolloverStrategy max="50"/>

23 RollingFile>

24

25 < RollingFile name="err" fileName="logs/err.log"

26  filePattern ="logs/$${date:yyyy-MM-dd}/err-%d{yyyy-MM-dd}-%i.log"> 

27 < Filters>

28 < ThresholdFilter level="error" onMatch="ACCEPT" onMismatch="DENY"/>

29 Filters>

30 

31 < PatternLayout pattern="%d{HH:mm:ss.SSS} %-5level %class{36} %L %M-%msg%xEx%n"/>

32 < Policies>

33 

34 < SizeBasedTriggeringPolicy size="10MB"/>

35 Policies>

36 

37 < DefaultRolloverStrategy max="50"/>

38 RollingFile>

39 appenders>

40

41 < loggers>

42 

43 < logger name="org.springframework" level="error"> logger>

44

45 < root level="debug">

46 < appender-ref ref="Console"/>

47 < appender-ref ref="all"/>

48 < appender-ref ref="err"/>

49 root>

50 loggers>

51

52 configuration>

Configuration file

< /p>

 1 

 2 org.springframework.boot

 3 spring-boot-starter

 4 

 5 

 6 org.springframework.boot

 7 spring-boot-starter-logging

 8 

 9 

10 

11 

12 org.springframework.boot

13 spring-boot-starter-log4j2

14 

 1 < span style="color: #0000ff;">xml version="1.0" encoding="UTF-8"?>

 2 < configuration>

 3 < appenders>

 4 

 5 < console name="Console" target="SYSTEM_OUT">

 6 < PatternLayout pattern="%d{HH:mm:ss.SSS} %-5level %class %L %M-%msg%n"/>

 7 console>

 8

 9 

10 < RollingFile name="all" fileName="logs/allOut.log"

11  filePattern ="logs/$${date:yyyy-MM-dd}/allOut-%d{yyyy-MM-dd}-%i.log"> 

12 < Filters>

13 < ThresholdFilter level="all" onMatch="ACCEPT" onMismatch="DENY"/>

14 Filters>

15 

16 < PatternLayout pattern="%d{HH:mm:ss.SSS} %-5level %class{36} %L %M-%msg%n"/>

17 < Policies>

18 

19 < SizeBasedTriggeringPolicy size="2 MB"/>

20 Policies>

21 

22 < DefaultRolloverStrategy max="50"/>

23 RollingFile>

24

25 < RollingFile name="err" fileName="logs/err.log"

26  filePattern ="logs/$${date:yyyy-MM-dd}/err-%d{yyyy-MM-dd}-%i.log"> 

27 < Filters>

28 < ThresholdFilter level="error" onMatch="ACCEPT" onMismatch="DENY"/>

29 Filters>

30 

31 < PatternLayout pattern="%d{HH:mm:ss.SSS} %-5level %class{36} %L %M-%msg%xEx%n"/>

32 < Policies>

33 

34 < SizeBasedTriggeringPolicy size="10MB"/>

35 Policies>

36 

37 < DefaultRolloverStrategy max="50"/>

38 RollingFile>

39 appenders>

40

41 < loggers>

42 

43 < logger name="org.springframework" level="error"> logger>

44

45 < root level="debug">

46 < appender-ref ref="Console"/>

47 < appender-ref ref="all"/>

48 < appender-ref ref="err"/>

49 root>

50 loggers>

51

52 configuration>

Configuration file

< p>

 1 xml version="1.0" encoding="UTF-8"?>

 2 < configuration>

 3 < appenders>

 4 

 5 < console name="Console" target="SYSTEM_OUT">

 6 < PatternLayout pattern="%d{HH:mm:ss.SSS} %-5level %class %L %M-%msg%n"/>

 7 console>

 8

 9 

10 < RollingFile name="all" fileName="logs/allOut.log"

11  filePattern ="logs/$${date:yyyy-MM-dd}/allOut-%d{yyyy-MM-dd}-%i.log"> 

12 < Filters>

13 < ThresholdFilter level="all" onMatch="ACCEPT" onMismatch="DENY"/>

14 Filters>

15 

16 < PatternLayout pattern="%d{HH:mm:ss.SSS} %-5level %class{36} %L %M-%msg%n"/>

17             <Policies>

18                 

19                 <SizeBasedTriggeringPolicy size="2 MB"/>

20             Policies>

21             

22             <DefaultRolloverStrategy max="50"/>

23         RollingFile>

24 

25         <RollingFile name="err" fileName="logs/err.log"

26                      filePattern="logs/$${date:yyyy-MM-dd}/err-%d{yyyy-MM-dd}-%i.log">

27             <Filters>

28                 <ThresholdFilter level="error" onMatch="ACCEPT" onMismatch="DENY"/>

29             Filters>

30             

31             <PatternLayout pattern="%d{HH:mm:ss.SSS} %-5level %class{36} %L %M - %msg%xEx%n"/>

32             <Policies>

33                 

34                 <SizeBasedTriggeringPolicy size="10MB"/>

35             Policies>

36             

37             <DefaultRolloverStrategy max="50"/>

38         RollingFile>

39     appenders>

40 

41     <loggers>

42         

43         <logger name="org.springframework" level="error">logger>

44 

45         <root level="debug">

46             <appender-ref ref="Console"/>

47             <appender-ref ref="all"/>

48             <appender-ref ref="err"/>

49         root>

50     loggers>

51 

52 configuration>